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If-a-b-b-a-2-then-find-a-b-10-b-a-10-

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Question Number 18969 by chernoaguero@gmail.com last updated on 02/Aug/17
If ((a/b))+((b/a))=2, then find ((a/b))^(10) − ((b/a))^(10) .
If(ab)+(ba)=2,thenfind(ab)10−(ba)10.
Answered by Joel577 last updated on 02/Aug/17
a^2 + b^2 = 2ab (a − b)^2 = 0 a − b = 0 a = b hence ((a/b))^(10) − ((b/a))^(10) = 1 − 1 = 0
a2+b2=2ab(a−b)2=0a−b=0a=bhence(ab)10−(ba)10=1−1=0
Commented by chernoaguero@gmail.com last updated on 02/Aug/17
Thank yoj sir
Thankyojsir

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