Math, asked by aujashyadav2008, 30 days ago

Solve 993 by using identity

Answers

Answered by Anonymous

0

Answer:

Question must be --> (993)²

(1000-7)²

1000²+7²-2(1000)(7)

1000000+49-14000

1000049-14000

986049 (Answer)

PLS MARK IT BRAINLIEST!

Answered by prabhusrinivas2005

1

a²+b²-2ab is the correct formula for the above mentioned number

a=1000, b=7

993²= 1000²-2×1000×7+ 7²

= 1000000- 14000+ 49

= 1000000- 13951

= 986049 is the correct answer

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