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The number of integral solution x of logx+72x-72x-320 is

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Important Questions on Basic Mathematics

HARD
If N=m! (where m is a fixed positive integer >2), then 1log2N+1log3N+1log4N+.....+1logmN=
EASY
For which of the following values of 'x', does the function fx=log25-x2/2-xhave the real values?
MEDIUM
log7log7777 is equal to
EASY
If a=log23,b=log25 and c=log72, then log14063 in terms of a,b,c is
MEDIUM
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EASY
If 2x.3x+4=7x, then x is equal to
EASY
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MEDIUM
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MEDIUM
The solution of the equation 3logax+3xloga3=2 is given by
EASY
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MEDIUM
If  log3 x+log53 x+log54 x+......  up to 7 terms =35, then the value of x is :
MEDIUM
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EASY
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EASY
If log(xy2)-logy=logx+y, then find the value of y in term of x.
MEDIUM
The number of solutions of the equation log4x-1=log2x-3 is ______.
EASY
log9+log5 is expressed as ...............
MEDIUM
The domain of the function f(x)=log3x2-4x+7 is
MEDIUM
If 3x+1=6log23, then x is:
EASY
The logarithm of 1256 to the base 22 is