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Question : 19 of 160
Marks:
+1,
-0
Solution:
Consider the expression.
() Let,
x+5=+ + Hence,
x+5=A(x+1)(x+2)+B(x+2) +C(x+1)2 Compare the coefficient of like terms.
A+C=0 3A+B+2C=1 2A+2B+C=5 On solving,
A=−3 B=4 C=3 Therefore,
= ++ Thus,
() =−−
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