Correct Answer: Option B
প্রথম দশ পদ পর্যন্ত
=log2+log4+log8+log16+log32+log64+log128+log256+log512+log1024
=log2+log22+log23+log24+log25+log26+log27+log28+log29+log210
= log2+ 2log2+ 3log2+ 4log2+ 5log2+ 6log2+7 log2+ 8log2+ 9log2+ 10log2
= (1+2+3+4+5+6+7+8+9+10) * log2
= 55 log2
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