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തന്നിരിക്കുന്ന ജ്യാമിതീയ ശ്രേണിയിലെ 2, 8, 32, 128,............. ഏത് പദമാണ് 2048 എന്ന സംഖ്യ?

A6

B7

C8

D9

Answer:

A. 6

Read Explanation:

Tn = ar^(n-1) 2048=2×4^(n-1) 1024=4^(n-1) 4^5=4^(n-1) n=6


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