Question

17. If x +1 = 5, find the values of each of the following:
I. x2+1/x2​

Answer 1

Answer:

first we find value of x

x + 1 = 5

x = 5 - 1

x = 4

so value of x is 4

now,

x2 + 1/x2

4 x 2 + 1/4 x 2

8 + 1/8

8/1 + 1/8

=

65/8

Answer 2

The answer is 65/8

Hope it helps you.