x^4+1/X^4=322 then find x+1/x
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here is ur answer hope it helps u.
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not understand your process
but where
see if it is in 2nd. to 3rd step, i used the identity a^2+b^2 + 2ab = (a+b)^2
here a= x^2 ,b = 1/x2 or (1/x)^2, and 2ab = 2x^2 / x^2 =2
and its same in 5th to 6th step, if ur douth is cleared then tell me. or if u have any other douth u can ask me.
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