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Find the derivative of f where f(x)=a^x.

This is a difficult question that you only need to know the result of.However, it's a good exercise to derive it.

Starting with f(x)=a^x we can take the natural logarithm of bo...

Answered by Larry R. • Maths tutor

4629 Views

How do I find key themes?

To find key themes in poetry and prose you should revise the content of the text in order to group similar events or similar words. For example, you would find a lexical set of greed in Seamus Heaney's...

Answered by Sioned D. • English tutor

3035 Views

Find the inverse of the general 2x2 matrix A= ([a, b],[c, d]) when does this inverse exist?

This is a typical further maths question, doing it correctly is a matter of carrying out a two-step process.

Start by finding the determinant of the matrix,

det(A)=ad-bc

Answered by Larry R. • Further Mathematics tutor

3703 Views

How do I analyse a poem?

As you approach a poem you should consider dividing your analysis into different sections such as form, structure and language. To begin, you should try to understand the content to an extent and then ...

Answered by Sioned D. • English tutor

3217 Views

How would you express (11+x-x^2)/[(x+1)(x-2)^2] in terms of partial fractions?

The first thing to consider when converting an expression to impartial fractions is how many fractions you will have in the end. With linear (no powers) brackets, found in the denominator of your initi...

Answered by Matthew M. • Maths tutor

7713 Views