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I : If (x^(2)+x+1)/(x^(2)+2x+1)=A+B/(x+1...

I : If `(x^(2)+x+1)/(x^(2)+2x+1)=A+B/(x+1)+C/(x+1)^(2) " then "A+B+C=0`.
II : If `(x^(2)+2x+3)/x^(3)=A/x+B/x(2)+C/x^(3) " then "A+B-C=0`.

A

only I is true

B

only II is true

C

both I and II are true

D

neither I nor II true

Text Solution

Verified by Experts

The correct Answer is:
B
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