Asked by enhle
Determine the factors of the following expressions
A. 2/x^2 + 1 - x^2
B.b(x^2-1)-b(x-1)^2
A. 2/x^2 + 1 - x^2
B.b(x^2-1)-b(x-1)^2
Answers
Answered by
Steve
-x^2 + 1 + 2/x^2
= -1/x^2 (x^4 - x^2 - 2)
= -1/x^2 (x^2-2)(x^2+1)
b(x^2-1) - b(x-1)^2
= b(x-1)(x+1 - (x-1))
= b(x-1)(2)
= -1/x^2 (x^4 - x^2 - 2)
= -1/x^2 (x^2-2)(x^2+1)
b(x^2-1) - b(x-1)^2
= b(x-1)(x+1 - (x-1))
= b(x-1)(2)
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