Question

if x+1/x=4 find the value of x³+1/x³​

Answer 1

Answer:

x

3

+

x

3

1

+3(x×

x

1

)(x+

x

1

)=64

=>x

3

+

x

3

1

+3(1)(4)=64

=>x

3

+

x

3

1

=64−12

x

3

+

x

3

1

=52