Math, asked by beautyprincessqueen0, 1 month ago

Find the value of a if 9a = 762 – 672 using identity.

Answers

Answered by shamashaikh828

2

Answer:

I hope this is helpful for you

Step-by-step explanation:

9a=762−672

We know that, a2—b2=(a+b)(a—b)

By using this formula,

9a=(76+67)(76−67)

9a=143×9

a=9143×9=143

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