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CBSE Class 11-science Answered

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Asked by jasi01f4 | 06 Oct, 2020, 11:02: PM
Expert Answer
TO find the sum of integers in the domain of f(x) = log2log1/2log3(x-1)
We know that log x is defined for positive values of x
So, f(x) will be defined if all the logs are defined
f(x) is defined if log2 is defined
log2 is defined if log1/2log3(x-1) > 0 i.e. log3(x-1) > 1 i.e. x-1 > 3 i.e. x > 4
So, domain of f(x) is (4, infinity)
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