Question

use identity and find :
(2a+3/4)(2a-3/4)​

Answer 1

Answer:

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Step-by-step explanation:

By Using Identity - (a+b) (a-b) = a²-b²

==> (2a+3) (2a-3) = (2a)²-(3)²

==> 4a²-9

Answer 2

Answer:

(2a+3/4) (2a-3/4)

[ (a+b) (a-b) = a²-b² ]

(2a)²- (3/4)²

= 4a²- 9/16