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Find the intervals in which f(x) is increasing or decreasing:(i) f(x) = x|x|, x ∈R(ii) f(x) = sinx + |sinx|, 0 < x ≤2π(iii) f(x) = sinx(1 + cosx), 0 < x < π2 [CBSE 2014] |
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Answer» Find the intervals in which f(x) is increasing or decreasing: (i) f(x) = x|x|, x R (ii) f(x) = sinx + |sinx|, 0 < x (iii) f(x) = sinx(1 + cosx), 0 < x < [CBSE 2014] |
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