If a=x+1/x ,b=x-1/x ,then the value of a^2+2ab-3b^2 is what - Maths -

Question

If a=x+1/x ,b=x-1/x ,then the value of a^2+2ab-3b^2 is what ?

Pooja Khanna · Accepted Answer

Here is the link for the answer to
query:

https://www meritnation
com/ask-answer/question/if-a-x-1-x-b-x-1-x-then-the-value-of-a2/algebraic-expressions/2420863