Factorise the following (a+1/a)²-4(x-1/x)²
Anonymous:
Why waste your time and points apply a^2-b^2 formula
Answers
Answered by
1
(a+1/a)square-(2(x-1/x))square
we know:(a)square-(b)square=(a+b)(a-b)
( (a+1/a)+(2(x+1/x)) ) ( (a+1/a)-(2(x-1/x)) )
therefore,above are factors
we know:(a)square-(b)square=(a+b)(a-b)
( (a+1/a)+(2(x+1/x)) ) ( (a+1/a)-(2(x-1/x)) )
therefore,above are factors
Similar questions