Math, asked by samarthya5937, 1 year ago

If a-1a=7,then a2+1a2=?

A) 54 B) 51 C) 53 D) 52

Answers

Answered by tennetiraj86
0

Answer:

option B is the answer for the given problem

Attachments:
Answered by machha007
0

Step-by-step explanation:

square both a2-1/a2=7×7

a2 +1/a2-2a×1/a= 49 (a×1/a cancel)

a2+1/a2-2=49

a2+1a2=49+2

a2+1/a2=51..

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