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Grade: 12

                        

Solve this question by using binomial theorem and it's rule only.

3 months ago

Answers : (2)

Sanyam Shah
54 Points
							
Answer: s=∑r/ncr
               Write it as : s=∑(n-r)/ncr
               Add both of them
               2s=∑n/ncr
               2s/n=∑1/ncr=An
               Therefore 2s/n is your answer
 Please approve it
3 months ago
Vikas TU
12119 Points
2 months ago
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