If `S_n = sum_(r=1)^n (1+2+2^2+2^3+....r terms)/2^r`, then S_n is equal to
34 views · Published 12 October 2018 · 4:10 · Indexed 5 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `S_n = sum_(r=1)^n (1+2+2^2+2^3+....r terms)/2^r`, then S_n is equal to
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