is there any other method apart from substituting x=0?
Σ11+xa-b+xa-c=?
(A) 1
(B)-1
(C) 0
(D) N.O.T.
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3 Answers
					
			Manish Shankar
					·2014-04-18 06:43:42
			
			
		ok got it
it can be written as
Σx-ax-a+x-b+x-c
 Aditya Agarwal Sir, what are the variables here?
and does this mean summation upto infinity?
How to proceed after this step?Upvote·0· Reply ·2014-04-18 07:54:21 Aditya Agarwal Sir, what are the variables here?
and does this mean summation upto infinity?
How to proceed after this step?Upvote·0· Reply ·2014-04-18 07:54:21
 
