Home › AP EAPCET (Engineering) › Mathematics › Algebra: Partial Fractions › Find the partial fractions of (3x+5)/((x+1)(x+2)).
Find the partial fractions of (3x+5)/((x+1)(x+2)).
A1/(x+1) + 2/(x+2)
B2/(x+1) + 1/(x+2)
C2/(x+1) - 1/(x+2)
D3/(x+1) + 5/(x+2)
Answer & Solution
Correct answer: B. 2/(x+1) + 1/(x+2)
Putting x = -1 gives A = 2 and x = -2 gives B = 1, and 2(x+2) + (x+1) = 3x+5.
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