Evaluate

𝑓

4

(

𝑥

)

−

𝑓

6

(

𝑥

)

, where

𝑓

𝑘

(

𝑥

)

=

1

𝑘

(

sin

⁡

𝑘

𝑥

+

cos

⁡

𝑘

𝑥

)

.

The options could be: (a)

1

8

(b)

1

12

(c)

1

16

(d)

1

24

asked by guest
on Apr 22, 2025 at 2:18 am



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