2+2^2+2^3+2^4+........+2^8
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2+4+8+16+32+64+128+256= 510 if we + 2^9 then answer will be 1020
ranjith1040:
how
on my answer above written mark as brainliest
click that
but why we add 2^9
then we got the answer
but question is different
but it is not the question
it is question
by
we talk later
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