what are logarithms.help me in solving them
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Logarithms are a good way to work with quantities with big or complicated exponents. These are defined for real numbers.
suppose we have y = x^a then a is said to be the logarithm of y with respect to base x. It is written as
LOG y = a x is written as a subscript to LOG. y must be > 0 .
x
The other way, if a is logarithm of y with respect to x, then x^a = y. x is called base.
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suppose you have y = x^21 x raised to power 21. Such relationships are easily expressed in logarithms with simple numbers and relations.
y = x^21 we apply logarithm function on both sides of =, we get
log y = log x^21 this also written as 21 * log x
The original complicated y = x^21 is simplfied as
log y = 21 log x
suppose we have y = x^a then a is said to be the logarithm of y with respect to base x. It is written as
LOG y = a x is written as a subscript to LOG. y must be > 0 .
x
The other way, if a is logarithm of y with respect to x, then x^a = y. x is called base.
=============
suppose you have y = x^21 x raised to power 21. Such relationships are easily expressed in logarithms with simple numbers and relations.
y = x^21 we apply logarithm function on both sides of =, we get
log y = log x^21 this also written as 21 * log x
The original complicated y = x^21 is simplfied as
log y = 21 log x
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Logarithms are defined as real numbers.they are excellent to work with large and difficult exponents.
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