During a 7-day book fair, the number of visitors doubled each day. If the fair opened on a Tuesday with 256 visitors, what was the attendance on the last day of that fair?
Created: 6 years ago |
Updated: 10 months ago
best des
যেহেতু প্রতিবার তার আগের দিনের দ্বিগুণ হয় তাই এটি গুণাত্তর ধারা আকার হবে
যেখানে প্রথম পদ a = 256, সাধারণ অনুপাত r = 2, n=7
arn-1
=256*27-1
=256*26
=256*64
= 16384
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