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Consider f(x) = 2sinx + sin 2x, x ∈ [0, 3π/2]

(A) Greatest value of f(x) is 3√3/2

(B) Greatest value of f(x) is 3

(C) Least value of f(x) is zero

(D) Least value of f(x) is -2

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Correct option (B)(D)


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