Math, asked by Experu07, 2 months ago

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Answered by sreeragsunil1
1

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This is the answer of your question

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Answered by Anonymous
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Topic :-

Logarithms

Given to prove that :-

\dfrac{1}{log_xxyz} +\dfrac{1}{log_yxyz} +\dfrac{1}{log_zxyz} =1

Solution :-

As we know the properties of logarithms ,

Interchange formula :- log_ab= \dfrac{1}{loga_b}

So, by using this property we get ,

\dfrac{1}{log_xxyx} = log_{xyz} x

\dfrac{1}{log_yxyz} = log_{xyz}y

\dfrac{1}{log_zxyz} = log_{xyz}z

= logx_{xyz} + logy_{xyz}+logz_{xyz}

As also we know that , product formula :-

log_amnp= logm_a +logn_a +logp_a

= logxyz_{xyz}As also we know that loga_a = 1

So, = logxyz_{xyz} =1

So,

{\boxed{\dfrac{1}{log_xxyz} +\dfrac{1}{log_yxyz} +\dfrac{1}{log_zxyz} =1}}

Hence proved !

Used properties:-

loga_a = 1

log_ab= \dfrac{1}{loga_b}

log_amnp= logm_a +logn_a +logp_a

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