Let f ( x ) = ( 2 x − 1 ) ( 2 x − 2 ) and g ( x ) = 2 sin x + cos 2 x . Column I (A) f increases on (B) f decreases on (C) g decreases on (D) g increases on Column II (P) ( π , ∞ ) (Q) ( − ∞ , 0 ) (R) ( 6 5 π , 6 2 π ) (S) ( 6 π , 2 π )

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MathematicsApplication of DerivativeMonotonicity-Increasing-DecreasingMedium2 minQB

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Let $f (x) = (2^{x} - 1) (2^{x} - 2)$ and $g (x) = 2 sin x + cos 2 x$ . Column I

(A) $f$ increases on

(B) $f$ decreases on

(D) $g$ increases on Column II

(P) $(π, \infty)$

(Q) $(- \infty, 0)$

(R) $(\frac{5 π}{6}, \frac{2 π}{6})$

(S) $(\frac{π}{6}, \frac{π}{2})$

Answer:

Solution:

Stream:JEESubject:MathematicsTopic:Application of DerivativeSubtopic:Monotonicity-Increasing-Decreasing

⏱ 2mℹ️ Source: QB

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