Q.
The domain of the function f(x)=log5(36x−2x2−154) is
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a
(7, 11)
b
(7, 10)
c
(8, 11)
d
(8, 10)
answer is A.
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Detailed Solution
given function is defined if 36x−2x2−154>0 ⇒(x−7)(x−11)<0 ⇒ x∈(7,11)
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