if 4 power x + 4 power x + 4 power x=48 then find the value of x]
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Answer:
x^4+1/x^4=322.
x^4+1/x^4+2=322+2.
(x^2+1/x^2)^2=(18)^2.
x^2+1/x^2= 18.
x^2+1/x^2–2 =18–2.
(x-1/x)^2=16
x-1/x= +/-4 , Answer.
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