Difficult math problem, please help!?

Qn=((Qn-1(x))2-1)/(Qn-2(x)), where Q0=1 and Q1=xThe n, n-1, n-2, 0, and 1 following the Qs are all subscript.The objective is to show that for all pos

Qn=((Qn-1(x))2-1)/(Qn-2(x)), where Q0=1 and Q1=x
The n, n-1, n-2, 0, and 1 following the Q's are all subscript.
The objective is to show that for all positive integers n>1, Qn is a polynomial with an integer coefficient.
I've been fiddling with random maths trying to figure something out, but I don't even know how I would write a conclusion to this problem.

or:Qn=((Qn-1(x))2-1)/(Qn-2(x)), where Q0=1 and Q1=xThe n, n-1, n-2, 0, and 1 following the Q's are all subscript.The objective is to show that for all positive integers n>1, Qn is a polynomial with an integer coefficient.I've been fiddling with random maths trying to figure something out, but I don't even know how I would write a conclusion to this problem.

or:Neither your math nor your description clearly state what you want to do. You need to get some help to present this clearly. There is no answer when you don't know what the question is.

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