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Choose the correct option. 06 (1) Which of the following is a like term of 7xy?(A) 8xy2 (B)-8xy(C) 16 x2 y 2 (D) 7 x2 y (2) Which of the following is a binomial expression? (A) x (B) zx+y+c (C) x + y (D) 0 (3) The sum of polynomials ab + ac and ab – ac is __________ (2ab, ac, 2ac, ab) (4) Subtracting x 2 - y 2 + z2 from x2 - y 2 - z 2 , the resultant expression is _______ (2x 2 ,2y 2 , -2z 2 ,૦) (5) The product of m 2 , n2 andm 2 n 2 p 2 is _________ .(m4 n 4 p 2 ,m 2 n 2 p 2 , m 2 p 2 , n 2 p 2 ) (6) The product ofଷ ସ xy and ସ ଷ ݔݕ is ____________. (1, ૦, x 2 y 2 , xy) |
Answer» <html><body><p><strong>Step-by-step explanation:</strong></p><p>(1) Which of the following is a like term of 7xy?</p><p>(A) 8xy² (B)-8xy(<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>) 16 x²y² (D) 7 x² y</p><p><strong>Ans: -8xy</strong></p><p><strong>option B is correct.</strong></p><p><strong>Explanation</strong>: In polynomial like terms are those having same number of unknown variables.</p><p></p><p>(2) Which of the following is a binomial expression? (A) x (B) zx+y+c (C) x + y (D) 0</p><p><strong>Ans: x+y</strong></p><p><strong>Option C is correct.</strong></p><p><strong>Explanation</strong>: Binomial expression means expression in <a href="https://interviewquestions.tuteehub.com/tag/sum-1234400" style="font-weight:bold;" target="_blank" title="Click to know more about SUM">SUM</a> of two variables .</p><p></p><p>(3) The sum of <a href="https://interviewquestions.tuteehub.com/tag/polynomials-1158719" style="font-weight:bold;" target="_blank" title="Click to know more about POLYNOMIALS">POLYNOMIALS</a> ab + ac and ab – ac is __________ (2ab, ac, 2ac, ab)</p><p><strong>Ans:2ab</strong></p><p><strong>Explanation:</strong></p><p>=ab+ac+ab-ac</p><p>cancel +ac with -ac</p><p>=ab+ab</p><p>=2ab</p><p></p><p>(4) Subtracting x² - y² + z² from x² - y² - z² , the resultant expression is _______ (2x² ,2y² , -2z² ,0).</p><p><strong>Ans: -2z²</strong></p><p><strong>Explanation:</strong></p><p></p><p>=x² - y² - z²-(x² - y² + z²)</p><p>=x² - y² - z²-x² + y² - z²</p><p>terms of x² and y² are cancelled</p><p>= -z²-z²</p><p>= -2z²</p><p></p><p>(5) The product of m² n² and m² n² p² is _________ .(m⁴n⁴ p² ,m² n² p² , m² p² , n² p² )</p><p><strong>Ans:m⁴n⁴ p²</strong></p><p><strong>Explanation:</strong></p><p>=m² n²(m² n² p²)</p><p>=m²+² n²+²p²</p><p>=m⁴n⁴ p²</p><p></p><p>(6) The product of xy and xy is ____________. (1, 0, x² y² , xy)</p><p><strong>Ans:x² y²</strong></p><p><strong>Explanation:</strong></p><p>=xy(xy)</p><p>=x² y²</p><p></p><p>Hope it <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> you.</p><p></p><p>To learn more on brainly:</p><p></p><p>1) When the polynomial 2x³ + 3x² + 3x – a is divided by x² – 1, the remainder is 5x + b, then the value of under root a+b+6... </p><p><a class="sg-link" href="https://brainly.in/question/43553649">brainly.in/question/43553649</a></p><p></p><p>2) find the <a href="https://interviewquestions.tuteehub.com/tag/roots-1191034" style="font-weight:bold;" target="_blank" title="Click to know more about ROOTS">ROOTS</a> of the equation x^2+2x-35=0 are </p><p><a class="sg-link" href="https://brainly.in/question/16711937">brainly.in/question/16711937</a></p></body></html> | |