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prithviforever
- Newbie | Next Rank: 10 Posts
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2^x(1-1/4) = 3(2^13)
2^(x-2) * 3 = 3 (2*13)
thus x-2=13; x=15.
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2^x - 2^(x-2) = 3 * 2^13
2^(x-2) * (2^2 - 1) = 3 * 2^13
2^(x-2) * (3) = 3 * 2^13
2^(x-2) = 2^13
x - 2 = 13
x = 15
D
2^(x-2) * (2^2 - 1) = 3 * 2^13
2^(x-2) * (3) = 3 * 2^13
2^(x-2) = 2^13
x - 2 = 13
x = 15
D
