Question

find the product of the following binomial :
(2a +3/b ) ( 2a - 3/ b ) .
solve the sum using the identity., ( a+b ) ( a-b)

Answer 1

Hi ,

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we know the algebraic identity,

( x + y ) ( x - y ) = x² - y²

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Now ,

( 2a + 3/b ) ( 2a - 3/b )

= ( 2a )² - ( 3/b )²

= 4a² - 9/b²

I hope this helps you.

: )

Answer 2

Hey friend,
Here is the answer you were looking for:
Question : ( 2a + 3/b) (2a - 3/b)
Using the identity (a + b) (a - b) = (a)^2 - (b)^2
= (2a)^2 - (3/b)^2
= 4a^2 - 9/b^2

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