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1.Find the sum of the series -1+1+5+13+39+.....to n terms
2.If the ratio of the seventh term from the beginning and end in the binomial expansion (cube root of 2 +1/cube root of 3)^n is 1:6 , find n
 
Thank you sir for your previous answer ! 
2 years ago

Answers : (1)

Deepak Kumar Shringi
askIITians Faculty
4397 Points
							Dear, in the first question it should be 29 in place of 39 for 2ndquestion go through attached image
562-1915_IMG-20180306-WA0014.jpg
one year ago
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