Question 973412

Find the sum log(a,2)+log(a,4)+log(a,8)....+log(a,1024).
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Find the sum log(a,2)+log(a,4)+log(a,8)....+log(a,1024).
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Find the sum log(a,2^1)+log(a,2^2)+log(a,2^3)....+log(a,2^10).
= log(a,2^1*2^2*2^3...2^10)
= log(a,2^(1+2+3+...10))
= log(2,2^55)
= 55*log(a,2)