Math, asked by pranaychawla09oxpd89, 1 year ago

If x4 + 1/4x = 119,then find the value of x-1/4

Answers

Answered by prem33
1
(x^2+1/x^2)^2-2=x^4+1/x^4
x^2+1/x^2= underroot of ( 119+2) =11
(x-1/x)^2+2=x^2+1/x^2
x-1/x = underroot of (11-2)= 3
so the value of x-1/x is 3

pranaychawla09oxpd89: Ty expert
pranaychawla09oxpd89: I have another question
prem33: what
prem33: i not understand
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