Math, asked by kavya290514, 9 months ago

(0.99)^2 Evaluate this by using identity no.2

plz explain me with use of identity in this sum,for that i request you don't give direct answer.

Answers

Answered by ssujata

1

Answer:

use equation... (a-b)²=a²-2ab+b²... where take a =1 and b=0.1... u will get answer

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