Top answers

Maths
A Level

How do you differentiate a^x?

The quick answer is that d/dx a^x = ln(a) * a^x. But why?

Well, let's go through the steps so we can understand why the formula works.

Firstly, a^x can be written as (e^(ln(...

KM
Answered by Kian M. Maths tutor
134563 Views

Differentiate the function: y = sin(x^2)*ln(5x)

We are tasked with differentiating y = sin(x2)ln(5x)
This function is actually a product of the functions:
sin(x2) and ln(5x)
Therefore the product rule will be re...

TC
Answered by Thomas C. Maths tutor
8283 Views

How do you find the roots of a cubic equation?

Solving cubics is an interesting problem: while there is a formula which can find the roots of every cubic equation, it isn't taught and is not generally worth learning. Instead, exam questions will of...

SM
Answered by Sam M. Maths tutor
15624 Views

Let f(x) and g(x) be two odd functions defined for all real values of x. Given that s(x)=f(x)+g(x), prove that s(x) is also an odd function.

We recall that a function f(x) is said to be an odd function when f(-x)=-f(x).

We are told that f(x) and g(x) are odd functions, so we know from the abov...

KH
Answered by Keir H. Maths tutor
12846 Views

differentiate 2^x

y=2^x
lny=xln2
y=e^(xln2)

MP
Answered by Mit P. Maths tutor
5709 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences