Math, asked by iahnaveenchandra, 3 days ago

If (9.7)2 = 100 +b2 -20b, then the value of ‘b’ is

Answers

Answered by Poojachoudhary0051

0

Answer:

b^2-20b+100=(9.7)^2

b^2-10b-10b+100=94.09
b(b-10)-10(b-10)=94.09
(b-10)(b-10)=94.09
b-10=94.09
b=94.09+10
b=104.09

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