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f(x)= (x+1)/(2x-1)
g(x)= (3x+1)/(x-1)
.
(f+g)(x)= f(x) + g(x)
(f+g)(x)= (x+1)/(2x-1) + (3x+1)/(x-1)
"samakan penyebut nya"
(f+g)(x)= {(x+1)(x-1) + (3x+1)(2x-1)}/(2x -1)(x-1)
(f+g)(x) = (x² -1 + 6x² - x - 1 ) / (2x² - 3x + 1)
(f+g)(x)= (7x² - x - 2) / (2x² - 3x + 1)