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Question

What is the product of (a+b) and 7a2b2?


A

7

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B

7 + 7

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C

7b + 7a

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D

7ab + 7

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Solution

The correct option is B

7 + 7


Required product = (a+b)(7a2b2)
Applying distributive property,
= a(7a2b2)+b(7a2b2)
= 7a3b2+7a2b3.


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