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असमिका (3^(x) ( 2 x - 5) (x^(2) + x + 2)...

असमिका `(3^(x) ( 2 x - 5) (x^(2) + x + 2))/((cos x - 2) (x ^(2) + x)) le 0` का पूर्ण हल समुच्चय है

A

`( - infty, - 1)`

B

` ((5)/(2), infty)`

C

`(- 1, (5)/(2)]`

D

`(- 1, 0) cup [(5)/(2), infty)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
D
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