Stumped (1 Viewer)

[Lawto.]

Hi guys,
Could anyone please tell me the derivative of 3x?

 

[Riviet]

The derivative of 3x is 3.

 

[Gavvvvvin]

3?

 

[hyparzero]

I think he means the derivative of 3^x

Answer:

3^x = e^xloge3
d(3^x)/dx = d(e^xloge3)/dx

.'. d(3^x)/dx = e^xloge(3)loge(3)
= 3^xloge(3)

 

[rox88]

Hi i didn't wanna create another thread so ill just use this one.
this is a really easy questions but somehow i cant figure it out.

q1 simplify 1 - a-b/a+b

q2 solve tan alpha = 3 for 0<alpha<360 giving the answers to nearest degree. (how u find it)

thank u and plz could u do it in very simple steps.

appreciate it

 

[rox88]

Hihi sorry about this. if any1 have spare time, then can u help me abit. These are 2004 CSSA questions cept i cant find the solution paper so i don't know if im right or wrong.

Q1 given that dy/dx = 2x - sin x and y = 2 when x = o
find y in terms of x. (simple steps plz).

Q2 Primitive functions of e^3x + SQUARE ROOT X

thanx u