Question

The value of sum in the nth bracket of (1)+(2+3)+(4+5++6+7)+(8+9+10+11+12+13+14+15)+......,is
(a)2^n (2^n + 2^n-1 -1)
(b)2^n-1 (2^n + 2^n-1 -1)
(c)2^n-2 (2^n + 2^n-1 -1)
(d)None of the above​

Answer 1

Answer:

a b c d any ...................

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Answer 2

Answer:

abcd any one main se kuy hoga