InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 651. |
Cos20 cos30 cos 40 cos80= root3/4 |
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| 652. |
A={1,2,3,4,5,6} } c={a,b} find a×b, b×c,c×a |
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| 653. |
Anyone help me to understand binomial theorem????? |
| Answer» ??.. Yes you are right<br>Yes<br>Excuse me, but this chapter has been deleted from our Syllabus!.. | |
| 654. |
what is the differentiation of sin square (2x+3) |
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| 655. |
Find range and domain |
| Answer» WoW ye konsi new trick hai bhai jo mujhe nahi pta... ?Bina Relation R ke bhi hum range and domain find krr skte hai!!? | |
| 656. |
how many terms of the series 9+12+15....should be added to get the sum as 306 |
| Answer» A/C to question,9 + 12 + 15 + ....... n terms = 306you can see that ,common difference of the series is always equal to 3 . e.g (12 - 9) = (15 - 12) = 3so, this series is in AP .now,Let total number of terms = n in such a way that sum of n terms = 306.we know,here, a = 9 , d = 3 and Sn = 306now, | |
| 657. |
Find the value of log5 125 log25 5 |
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| 658. |
Are sets A = { –2,2}, B = { x : x ϵ Z, x^2–4 = 0} equal? |
| Answer» Yes | |
| 659. |
How many four digit number are there with no digit repeated |
| Answer» 9*8*7*6 = 3024<br>9*8*7*6=3024(according to principle of multiplication) | |
| 660. |
P(A and B) |
| Answer» right rainbow<br>what we\'ve to do in it....!!?...Please write in such a way that it seems to be a question for us....!! | |
| 661. |
If 0 |
| Answer» ?\u200d♂️?\u200d♀️?\u200d♀️ pls complete your question before sending the question | |
| 662. |
What is trignometric functions |
| Answer» In mathematics, the trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial mechanics, geodesy, and many others. | |
| 663. |
Find left and right limit at limit x=0 for f(x)={x-4,x0} |
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| 664. |
What is the value of i In complex numbers? |
| Answer» Minus root 1<br>Root -1 | |
| 665. |
Ex 1.3 question no. 3,4,5,6,7,8,9 |
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| 666. |
Find the values of P(6,5,2) |
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| 667. |
Find the sum of odd integers from 1to2001? |
| Answer» Use the formulas Sn=n/2(a+l)<br>The series of odd integers from 1 to 2001 is,1,3,5,7..............,2001a=1d=3−1=2l=2001an\u200b = a+(n−1)d2001=1+(n−1)22000=2(n−1)∴n=1001Sn\u200b=n/2 \u200b[a+l]=1001/2 \u200b[1+2001]=10,02,001 | |
| 668. |
All questions of first chapter Sets |
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| 669. |
Find the number of diagonals that can be drown by joining angular points of hexagon |
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| 670. |
1+I/1+I argument |
| Answer» | |
| 671. |
7°31\' |
| Answer» 31\'=31/601*31/60*π/180 | |
| 672. |
Write in polar form1+7i/(2-i) ² |
| Answer» Let r cos θ = –1 and r sin θ = 1On squaring and adding, we obtain r2\xa0(cos2\xa0θ + sin2\xa0θ) = 1+ 1⇒ r2\xa0(cos2\xa0θ + sin2\xa0θ) = 2⇒ r2\xa0= 2 [cos2\xa0θ + sin2\xa0θ = 1]This is the required polar form. | |
| 673. |
Square root of 1-i |
| Answer» Solve karna ka bad kya aayega | |
| 674. |
5t^2-10t-15 |
| Answer» ?<br>5t2-10t-15 =5(t2- 2t-3 ) =5 (t2 - 3t + t - 3) =5 [t(t-3) +1(t-3)] = 5 (t+1) (t-3) ?<br>(t+1) (t-3) | |
| 675. |
Change 3 radian to degree? |
| Answer» 1 radian = (180/π )° 3 radian = 180×3/π = (540/π) °<br>3π×180/π=540°<br>540/π | |
| 676. |
1.5 question 4 explain |
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| 677. |
from where i can get rd sharma solutions |
| Answer» Go go cbse.nic.in or any cbse website three lines are show at the top bottom click on it and then list appears select rd sharma sol then it gives answers of the entire book Either you can download the app doubtnut scan question and it will send you videos of the question and if u have any query then u can solve it after watching it ??<br>Hii, you can also get the rd Sharma solution of NCERT solutions...<br>1. 5 question 4<br>byju\'s | |
| 678. |
A={_1,0,1} find A×A×A |
| Answer» | |
| 679. |
Formula of sina |
| Answer» -seca<br>Cos (90-a) | |
| 680. |
How many words can formed form PUNAM if words start with p and not end with M. |
| Answer» | |
| 681. |
Plzz send me a math syllabus..? |
| Answer» Vinay Kumar..tum is app pr hi bhj do baki sb ki bhi help ho jayegi .. ?<br>Msg me on insta - dalalsahab.01 my id i will provide you syllabus<br>@Royal.. okk | |
| 682. |
Find the range and domain for F(x)=x+1/x-1 |
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| 683. |
If (x)^-5(x)+6=0, where (.) denote the greatest intezer function |
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| 684. |
What is the full form of maths?? ?? |
| Answer» Mental ability of thinking high....<br>Hey Deepak... How did u do it? ?<br>Math is continue process<br>MATHS = Mentaly Affected Teachers Harrassing StudentsMATHS = Meri Atma Tujhe Hamesa Satayegi | |
| 685. |
Differentiation of x-⁵ tanx / logx |
| Answer» Yes | |
| 686. |
Sin2x+2sin4x+sin6x=4cosxsin4x |
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| 687. |
What is domain and range of (x^2-1/(x+1) |
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| 688. |
Find general solution of tan(2x)+1=0 |
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| 689. |
Prove cos7x+cos5x/sin7x-sin5x=cotx |
| Answer» Left Hand Side =\xa0By applying the following identity of,And, for the denominator\'s side, applying this identity,Now,Divide the following numbers\xa0\xa0therefore,Now, cancelling out the common factor of:\xa0\xa0and dividing the numbers:\xa0,Therefore, by the following trigonometric identity:\xa0 | |
| 690. |
What is domain?? ? |
| Answer» Thanks to all.. ? yes bro.. Ye sbb bhi hai ???... Mai vdiyaa... Aap btao??<br>Good morning ☀️Domain matlab jo A ke elements B ke elements se connected h..<br>The domain of a function is the set of all possible inputs for the function. bas itna hi aata ha.......gud Mrng!!? | |
| 691. |
Plz send me half yearly maths question paper for practice....... it\'s urgent |
| Answer» | |
| 692. |
What\'s set |
| Answer» A\xa0set\xa0is a well-defined collection of objects<br>Arre!! Pura question toh likh diya karoo!! Fir toh answer dege hum!!?? | |
| 693. |
Tan inverse of 2underroot x /1-x |
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| 694. |
The value of 1+i+i2+---+in is(A)positive(B)negative(C)0(D)cannot be determined. |
| Answer» D<br>d) can\'t be determined | |
| 695. |
35, 32, 5128, 18, 37?, 14, 47 |
| Answer» 40<br>40 | |
| 696. |
What is Cartesian Product? ? |
| Answer» No.. I\'m student?\u200d?<br>Shukriyaa? | |
| 697. |
C={x:x is a two digit natural number such that the sum of its digit is 8} |
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| 698. |
Express in the form of a+ib (1+3i)^-1 |
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| 699. |
(1+i) upon (1-i)^m find it |
| Answer» Find the value of m | |
| 700. |
Evaluate (1+i)^4 find it |
| Answer» | |