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Which of the following is true?...

Which of the following is true?

A

`(a+b)^2=a^2+b^2+ab`

B

`sqrt(a).sqrt(b)=sqrt(ab)`

C

`sqrt(a)-sqrt(b)=sqrt(a-b)`

D

`(a-b)(a+b)=a^2+b^2`

Text Solution

Verified by Experts

The correct Answer is:
B
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