A rational function g(x) is such that g(x) = f(x) wherever f(x) is defined. Find the value of a and b.
f(x) = (2x-2)/ x2+x-2
g(x) = a/ b+x
1 Expert Answer
f(x) = (2x-2)/(x2+x-2)
= 2/(x+2) where x ≠ 1,-2
g(x) = a/(b+x)
f(x) = g(x) when a=b=2
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