Math, asked by AkashRaj1, 1 year ago

please solve question number 15

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Answered by nikitasingh79

1

(a-1/a)^2=(a+1/a)^2- 4

(a-1/a)^2=(17/4)^2 -4
(a-1/a)^2 = 289/16 -4
(a-1/a)^2 = 225/16
(a-1/a) = 15/4

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