Q. 75.0( 3 Votes )
Evaluate:
Answer :
Let 
Putting 
Which implies,
A(x+1)+B(x-2)=2x+5
Now put x+1=0
Therefore, x=-1
A(0)+B(-1-2)=3
B=-1
Now put x-2=0
Therefore, x=2
A(2+1)+B(0)=2×2+5=9
A=3
Now From equation (1) we get,
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