সমাধান করুনঃ x2 - 2x - 15 > 0 .
s = (x : x > 5 অথবা x < -3)
s = (x : x < 5 অথবা x > -3)
s = (x : x > 5 অথবা x > -3)
s = (x : x < 5 অথবা x < -3)
The arithmatic mean of the set of the observations 1, 2, 3 .............................n is?
অসমতাটির সমাধান করুন?
(-∝, 2) ∪ (5/2, +∝)
(-∝, 1) ∪ (3, +∝)
(1/2, 3/2)
(-∝, 1/2) ∪ (3/2, +∝)
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