Question

If x2 + 1/x2 = 51, find the value of x - 1/x​

Answer 1

Answer:

(x - 1/x)^2 = x^2 - 2 + 1/x^2.

But x^2 + 1/x^2 = 51.

Thus, (x-1/x)^2 = 51 - 2 = 49.

Therefore, x-1/x = sqrt (49) = +/-7

x-1/x = +/-7.

Step-by-step explanation:

Answer 2

Answer:

ur answer

Step-by-step explanation:

hope it help ☺☺