3/2⁴×3/2⁵=3/2^2n+1 find n
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Answer:
well u can add them like this...
(2+2²+2³+2⁴+2⁵+2⁶...+2^n=2(2^(n+1)-1)
+2²+2³+2⁴+2⁵+2⁶...+2^n=4(2^n-1)
+2³+2⁴+2⁵+2⁶...+2^n=8(2^(n-1)-1)
: :
: :
. 2^n=2^n
-------------------------------------------
=n2^{n+1}-(2^(n+1)-2)=(2^(n+1))×(n-1)+2
=
Explanation:
hope it helps
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