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Derivative of a Product at a Point

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If $y = 3x \sin x$ , what is the value of $\frac{dy}{dx}$ at $x = \displaystyle\frac{\pi}{2}$ ?

A

$0$

B

$6$

C

$\displaystyle\frac{3\pi}{2}$

D

$3$

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Question Leaderboard

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	lillianstamps07	1	1	0m 00s	100
#2	sumayyakhattak08	1	1	0m 00s	100
#3	ngawang.pdukpa2020	1	1	0m 00s	100
#4	ryu.yooyongwatana	1	1	0m 52s	48
#5	winslowbelohlavek07	1	1	0m 54s	46
#6	haripriya.anand09	1	1	1m 02s	38
#7	furtadoeu2403	0	1	0m 03s	-13
#8	evechen771109	0	1	0m 04s	-14
#9	psak12	0	1	2m 37s	-167

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