Q.
The domain of the function fx=log3+xx2-1 is
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a
-3,-1∪1,∞
b
-3,-1∪1,∞
c
-3,-2∪-2,-1∪1,∞
d
-3,-2∪-2,-1∪1,∞
answer is C.
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Detailed Solution
f(x) is to be defined when x2-1>0 and 3+x>0 and 3+x≠1, i.e., x2>1 and x>-3and x≠-2,i.e.,x<-1orx>-3 and x≠-2∴ Df=-3,-2∪-2,-1∪1,∞
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