Question

If the mean of x and 1

x is M, then mean of x2

and 1x² is KM2– 1, then ‘K’ is equal to

(A) 1 (B) 3

(C) 4 (D) 2
please explain also​

Answer 1

Answer:

x is M, then mean of x2

and 1x² is KM2– 1, then ‘K’ is equal to

(A) 1 (B) 3

(C) 4 (D) 2

please explain also