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if log 2 ,log(2^x-1) and log(2^x+3 ) are in AP then x is equal to??
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whats AP ?
arithmetic progression
so this is different from arithmetic sequence ? :D
@FoolForMath
http://www.wolframalpha.com/input/?i=solve+%282%5Ex-1%29%5E2+%3D+2%282%5Ex%2B3%29
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Okay, if a, b, c are in A.P what can we say about them?
a+c/2=b
a+c=2b
log 5 / log 2
is taht equal to 5/2?
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Okay now apply this here, what did you get?
|dw:1334079593525:dw|
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