Question

If the mean of x and 1/x is M, then the mean of x²and is
1/x² is
•2M²-1
•2M²+1
•2M²×1
•2M²-2

explain​

Answer 1

Step-by-step explanation:

Answer is b 2 M²+1 answer mat be it is right

Answer 2

Answer:

x²+1/x²=(x+1/x)²-2

As mean of two numbers is (a+b)/2

(x²+1/x²)/2=(4M²-2)/2

=2M²-1

Hope you have a good day:);)