Top answers

How/when should I use the product rule for differentiation?

The product rule can be used to differentiate a function that is formed of the product of two other functions; e.g f(x)=x 2 e x the product rule is as follows; if f(x) is split up into u.v (in this case u wo...
AT
Answered by Abi T. • Maths tutor
7241 Views

How to solve a quadratic equation?

How to solve a quadratic equation? While learning mathematics, you will often meet quadratic equations. These equations serve a mathematical way to say that a certain equation, which may resemble a real-life...
BH
Answered by Bence H. • Maths tutor
6163 Views

find the integral for xe^10x

for this type of question, integral by parts should be used . This involves using the formula for intregation by parts: lets first break apart the x and e 10x into two parts - "u" and "v"...
CS
Answered by Carl S. • Maths tutor
14731 Views

Given a table showing grouped data and the frequency of each class, find the median Q2

Step 1: Add a cumulative frequency column to the table Step2: Use the formula n/2 (where n is the final total in the cumulative frequency column) to find the class the median, Q 2 , is in. Let n/2= a, so tha...
LS
Answered by Lesedi S. • Maths tutor
10492 Views

How do you factorise a quadratic equation?

If you are given a simple quadratic equation, for example x 2 +6x+8=0, then in order to factorise this you must find two numbers that add together to make the coefficient of x in the equation (in this case t...
ER
Answered by Erin R. • Maths tutor
6029 Views