Q6 of 227 Page 90

Find the LCM of the following

x2y + xy2, x2 + xy

Given terms: –


x2y + xy2, x2 + xy


Formula used: –


LCM = Least Common Multiple


Means it is the lowest term by which every element must be


divided completely;


x2y + xy2 = x × y × x + x × y × y


= x × y × (x + y)


x2 + xy = x × x + x × y


= x × (x + y)


first find the common factors in all terms


Common factor = (x + y) × x


then multiply the remaining factors of terms in common


factor to get the LCM


= (x + y) × x × (x)


= x3 + yx2


Conclusion: –


The LCM of given terms [x2y + xy2, x2 + xy] is x3 + yx2


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