Question

x-1/X=2 find the product of x4+1/2​

Answer 1

x-1/x=2

x-1=2x

x-2x=1

-x=1

x=-1

So,by putting value of x as -1,

x4+1/2=-4+1/2

=1/2-4

=1-8/2

=-7/2

=-3.5

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