Question

x-1/x=7 then x^4+1/x^4=?​

Answer 1

Answer:

Step-by-step explanation:

x-1 =7x

-1= 6x

-1/6 =x

Now applying the value of x in equation we get

(-1/6)^4+1 / (-1/6)^4

1/1296+1 / 1/1296

1297/1296*1/1296= 1297/6^8

Answer 2

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