Which of the following is not the solution of log3x2−2
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
(2,2)
b
(−2,−2)
c
(-2,2)
d
none of these
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
We have log3x2−20,32|x|−1>0 and x2−2<32|x|−1⇒ x2>2,|x|>23 and 2|x|2−3|x|−2<0⇒ |x|>2,|x|>23 and (2|x|+1)(|x|−2)<0⇒ |x|>2 and |x|<2⇒ 2<|x|<2⇒ x∈(−2,−2)∪(2,2)