Question

If the mean of x and 1 by x is k. than find x square and 1 by x square​

Answer 1

Answer:

k²-1

Step-by-step explanation:

first , whole square the common mean

so, (x+1/x)²/2 = x²+2+1/x² = 2k²

x²+1/x² = 2k²-2 take two common

(x²+1/x²)/2 = k²-1 ..

sorry the pic. is wrong