1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J 1 K 1 L 1 M 1 N 1 O 1 P 1 Q 1 R 1 S 1 T 1 U 1 V 1 W 1 X 1 Y 1 Z 1 A1 1 B1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

Q. 25

Determine whether

Class 12th RD Sharma - Volume 1 17. Increasing and Decreasing Functions

Answer :

we have,

Now,

Hence, f(x) is an increasing function on (–π /3, π /3)

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