if x-1/x=4 find the value of a) x2+1/x2 b)x4+1/x4
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the first answer can be 9/2
and the second one can be 17/4
grg35:
the frst is 18 and the seconds ans is 14
have you written this question in proper way
yes answer is 18 but how can you explain
x-1/x=4. x-1=4x. -3x=1x=-1/3
then put it in question
have you understood
yes
thanks
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