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in Limit, continuity and differentiability by (41.7k points)

The function which is neither decreasing nor increasing in (π/2, 3π/2)

(A) cosec x 

(B) tanx 

(C) x2 

(D) |x - 1| 

1 Answer

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Best answer

Answer is (A) cosecx

The graph of cosecx is opposite in (π/2, 3π/2) (Fig)

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