Question

(25/16)a² -a² [please give the explanation]​

Answer 1

(25/16)a²-a²

(5/4a)²-a² {(a²-b²)=(a-b)(a+b)

(5/4a-a)(5/4a+a)

(5/4a-4/4a)(5/4a+4/4a)

(14a)(9/4a)

63/2a²

Answer 2

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The Question is Give below

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The Answer is in Attachment

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