Q2 of 227 Page 92

Find the other polynomial q(x) of each of the following, given that LCM and GCD and one polynomial p(x) respectively.

(x + 1)2 (x + 2)2, (x + 1) (x + 2), (x + 1)2 (x + 2)

Given: –


Polynomials p(x) = (x + 1)2 (x + 2)


And GCD[Greatest Common Divisor] = (x + 1) (x + 2)


And LCM[Lowest Common Multiple] = (x + 1)2 (x + 2)2


Formula used: –


The product of 2 polynomial is equal to product of their LCM


and GCD.


Product of 2 polynomial = LCM × GCD


p(x) × q(x) = LCM × GCD


LCM × GCD = (x + 1)2 × (x + 2)2 × (x + 1) × (x + 2)


p(x) × q(x) = LCM × GCD


q(x) =


q(x) =


q(x) =


q(x) = (x + 1)(x + 2)2


Conclusion: –


The other polynomial term q(x) is (x + 1)(x + 2)2


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