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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.
9001. |
In a relation is (x,y) = (y,x)? |
Answer» No | |
9002. |
Sin3x+sin2x-sinx=4sinxcosx/2cos3x/3 |
Answer» Convert sin2x- 2sinxcosxSolve sin3x-sinx<br>It should be cos3x/2 | |
9003. |
1^537 +i^539 + i^541 /i^534+ i^536+i^538 = |
Answer» i^537+i^539+i^541 =i.i^536+i.i^538+i.i^540 =i.(i^2)^268+i.(i^2)^269+i.(i^2)^270 =i.1+i.(-1)+i.1 [because (i^2)^even no.=1 and (i^2)^odd no.=-1] =i-i+i =i | |
9004. |
Cos -25pi by 4 |
Answer» It\'s 1/√2<br>-1/root2 | |
9005. |
Find the polar form of 5÷2(cos300+isin30) |
Answer» | |
9006. |
If f:R-R is defined by f(x)=[x] |
Answer» | |
9007. |
Cos4x=cos2x find the general solution of this |
Answer» General formula of cos x is 2n pai + - y<br>Suno tum ek app download karlo ncert book philoid usi mai tyagi divi aur mai hu. Usme pink colour ka dabba hoga usme jaake make your account. Ok usi pe milenge<br>Hii meri bahan | |
9008. |
Solve all miscellaneous problems |
Answer» | |
9009. |
Find the domain and range of f(x) = 5/3-x2\u200b |
Answer» (Infinity,5/3) | |
9010. |
n(AnB\'nC\') how to find n(A) from this |
Answer» | |
9011. |
Chapter 2 exercise 2.3 question no.1 |
Answer» Solution dekh lo kyo ki yahan se samjha nahi payengeAgar damjhana hai to contect kro6391348273 | |
9012. |
find the domain and range of the f(x) =-|x| |
Answer» Domain = Real number<br>Domain- real Range - (-infinity , 0)<br>Integers | |
9013. |
how many element has P(A)=nil |
Answer» thanks for answer<br>1 is correct<br>1 | |
9014. |
WHY MATH IS TOO HARD FOR SOME STUDENTS ???GM |
Answer» Yes shikshita and ankit bhai app pe kyu nahi aate mujhe bulake khud chal diye aur ye sticker change karo app per aao please???<br>It\'s because few students never take the subject seriously. One should know that the Mathematics is world\'s most easiest subject and can score good Mark\'s if studied seriously. Maths ask for more time than other subjects.<br>I do feel the same.. | |
9015. |
Solve in brief. X to power 4 = ( x+1+i) (x+1 - i) ( x- 1- i) (x - 1+ i) |
Answer» | |
9016. |
Convert into complex number= -1+i |
Answer» Yes<br>Ye to phele se complex number me hai | |
9017. |
Differentiation of y=(a+bx)^-1 is ? |
Answer» | |
9018. |
What is the value of log 2563. |
Answer» 3.40 | |
9019. |
Can you revise the 3 chapter of trigonometry |
Answer» Then start<br>Yes I can | |
9020. |
Write an equation for XY plane. |
Answer» Z=0<br>Equation of XY plane is z = 0, equation of plane parallel to XY plane is z = d. | |
9021. |
I can\'t understand the graphs for solution of 2x-y>1 , x-2y |
Answer» M nhi bta rha qki mujhe bhi ni pta<br>Mai nahi jaanta kyo ki koi teacher hai hi nahi padhane wala<br>Ok | |
9022. |
The sum of the interior angle of polygon is (n-2)180 why ... |
Answer» Because it is fully covered with the straight lines.And make angle one the ponit of intersection of two lines.I hope that u understood.ThanksAll the best.For ur golden future.If u want more and more detail then contact with me on my whatsapp mobile no6391348273 | |
9023. |
Using properties of sets, show that |
Answer» Plz ask full question<br>What???? | |
9024. |
(26+15√3)^2/3-(26+15√3)^-2/3 |
Answer» | |
9025. |
find the radian measure corresponding to 5degree37minute30second |
Answer» =5°+37\'+30\'\'=5°+37\'+(30×1/60)\'=5°+37\'+(1/2)\'=5°+(75/2)\'=5°+(75/2×1/60)°=5°+(5/8)°=(45/8)°=(45/8×π/180)radian=π/32 radian | |
9026. |
4C1*48C4 |
Answer» | |
9027. |
If z1=z+3i, z2=-5i+9, then Re(z1+z2)= |
Answer» (Z1+Z2 = 2+3i+5i+9 = 11+8i (answer) | |
9028. |
Prove that the value of expression sinxcos3x /cosxsin3x doesnot lie between ⅓ and 3 |
Answer» | |
9029. |
union ka MATLAB |
Answer» Union means to write to sets collectively | |
9030. |
What would be the solution of (CosA)^3 - {Cos(120+A)}^3 + {Cos(240+A)}^3 = 3/4 (CosA)^3 |
Answer» | |
9031. |
Write the condition on the sets A and B such that n(A union B) = n(A) + n(B) |
Answer» When set A and set B has no common element between them<br>When the sets A & B are disjoint sets , i.e. there is no common element between them | |
9032. |
What is the universal set of 1st the set of right angles, second the set of isosceles triangles. |
Answer» Ye question mera bhi doubt mai hai | |
9033. |
Which chapter was reduced in elements of maths book ?? |
Answer» Ch4,8,14 | |
9034. |
What is argument of -1-i(root3) |
Answer» THR TOPIC ARGUMENT HAS DELETED | |
9035. |
Example 16 class 11 chap 7 |
Answer» | |
9036. |
formulan of straight line |
Answer» | |
9037. |
Find the degree and radian measure of exterior and interior angles hexagon |
Answer» For regular hexagon & for one angle<br>Interior = 120° = 2π/3 , exterior = 60° = π/3 | |
9038. |
Find the conjugate of i³+1 |
Answer» Answer: 1+ i Explanation: i^3 + 1=> 1+ (-i) => conjugate= 1+i {i^3 = (i^2)*i => -1*i => -i}<br>Infact 1 +i<br>1-i³ hoga aadu<br>1 + i3 Conjugate = 1- i3 => 1 - (-i) =>( 1+i ) | |
9039. |
Show that sec^2 +cosec^2 >_ 4 |
Answer» | |
9040. |
(1/3+3i)^^^ |
Answer» | |
9041. |
The range of sin x and cos x is |
Answer» Thanks<br>-1<br>[-1,1]<br>[-1,1] | |
9042. |
What is general solution of trigonometric. (Kya ye syllabus mai hai) ???????? |
Answer» Deleted by cbse<br>of course yes<br>Hai bro h bilkul h....skip mt KR Dena Bhai ye chapter boht imp.h | |
9043. |
If A={a, b}and B={x, y, z}, then the number of relations from B to A is |
Answer» We know,n(a*b)=n(a)*n(b) =2*3 =6Now,No.of relations=no.of subsets of Cartesian product i.e,a*b2²*³=64So simple....<br>No. Of reaction is 2^6=64 | |
9044. |
In a non leap year find probability of 53 Mondays and 53 tuesdays |
Answer» Non Leap year has 365 days365days = 52 weeks + 1 daySince, There are 52 weeks in a non leap year,Therefore, There are minimum 52 Tuesday.Now 1 additional day can be :{ M , T , W , Th , F , Sa , S }n(S) = 7Probability of getting 53 Tuesday = Probability of getting Tuesday as extra daySo, P = 1/7\xa0 | |
9045. |
Prove thatCos((3π/4) + x) cos(2π+x) (cot((3π/2) - x) +cot(2π+x) =1 |
Answer» | |
9046. |
How many elements has P(A),if A=empty set |
Answer» 1 | |
9047. |
3+3+3+3+3 |
Answer» 150 - 135<br>15<br>15?\u200d♀️<br>21?\u200d♀️ | |
9048. |
Express the sum or difference of cos 5 thita ×cos 4 thita |
Answer» | |
9049. |
A ={1,2,3} find P(A) |
Answer» Power set of A, P(A) = {∅, {1}, {2},{3},{1,2},{2,3},{1,3},{1,2,3}} | |
9050. |
Kal mera test h online koi madad ho sakti h |
Answer» Padho kuch sone se kuch nhi hoga<br>Ji gautam Kumar hm apki puri hlp krege?????? | |