If the average of x and 1 / x (x ≠ 0) is M, then the

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If the average of x and 1 / x (x ≠ 0) is M, then the average of x² and 1 is :
x²

On the basis of given in question ,

⇒ x +	1	=	2M
	x

Required average =	4M² - 2	=	2M² - 1
	2

If the average of x and 1 / x (x ≠ 0) is M, then the average of x² and	1	is :
	x²