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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 Then swap the entries a d and negate ...
LR
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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 initial fra...
MM
Answered by Matthew M. • Maths tutor
8062 Views

How far does the law in Engalnd and Wales protect us against indirect discrimination?

​Article 14 of the European Convention on Human Rights guarantees freedom from discrimination, in relation to access to other convention rights, meaning it is not a stand-alone right. The ECHR was made part ...
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Answered by Matthew M. • Law tutor
3393 Views

How effective is the Human Rights Act 1998 at protecting our human rights?

The European Convention on Human Rights is a convention set up by the 47 members of the European Council, following the atrocities of World War 2. This council includes countries such as Russia and Switzerla...
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Answered by Matthew M. • Law tutor
30746 Views

Explain how an impulse is transmitted between nerve cells.

An impulse reaches the pre-synaptic neurone, as it does so, the impulse stimulates voltage-gated calcium channels to open, allowing an influx of calcium ions into the pre-synaptic bouton. This stimulates ves...
JK
Answered by Jasmine K. • Biology tutor
4055 Views