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What is the easiest way to expand quadratic equations?

There are many methods of expanding quadratic equations, however there is one method which I find to be far easier than the others. This method is called the "box method", and allows this to be don...
AC
Answered by Alexander C. Maths tutor
15936 Views

Find the value of 0.3 × 0.2

This question asks us to multiply 2 decimal numbersThe steps involved with this question include:Step 1) Manipulate the numbers we are working with to give us an easier calculation.Step 2) Once we have done ...
IS
Answered by Irfan S. Maths tutor
53606 Views

What is the average temperature in September?

QuestionThe average temperature in May is 18 ºC.The average temperature in November is a third of the average temperature in May.The average temperature in September is twice the average temperature in Novem...
IS
Answered by Irfan S. Maths tutor
4927 Views

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(a)))^x because e^(ln(z)) = z as th...
KM
Answered by Kian M. Maths tutor
164861 Views

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

We are tasked with differentiating y = sin(x 2 ) ln(5x) This function is actually a product of the functions: sin(x 2 ) and ln(5x) Therefore the product rule will be required. First let's calculate the deriv...
TC
Answered by Thomas C. Maths tutor
9813 Views