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If set and set , then does not contain
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a
(1, 4)
b
(5, 11)
c
−32,−12
d
none of these
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Correct option is B
We have x2(x−5)(2x−1)(5x+1)(x+2)<0From the sign scheme, solution is−2,−15∪12,5 (i)Now 3x+1x6x2+x−1>0⇒ 3x+1x(3x−1)(2x+1)>0From the sign scheme solution is−∞,−12∪−13,0∪13,∞ (ii)Clearly, from (i) and (ii), option(s) (1) and (3) are correct.
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