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How can i add algebraic fractions, such as 1/(1-x) + 2/x

The trick to working out how to do this, is to remember how to add normal fractions! We know 1/8 + 3/8 = 4/8 . The point here is that IF THE DENOMINATORS ARE THE SAME, we can add the numerators. So what abou...
MW
Answered by Matthew W. • Maths tutor
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How do you answer a character assessment exam question, for example Tybalt from Romeo and Juliet?

Start by noting the very basic background information on the character, for example, Tybalt is a Capulet and is Juliet’s cousin. Then consider the role that the character plays in the plot, Tybalt, for examp...
RW
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‘The death penalty (capital punishment) should never be used.’ Do you agree? Give reasons for your answer, showing that you have thought about more than one point of view. Refer to religious arguments in your answer.

In support of the quotation, using the death penalty does not allow the offender to learn from their criminal mistake. Therefore, any means of reconciliation between the offender and the victimized party is ...
IM
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Describe how information passes from a relay neurone to a motor neurone. (3 marks)

An impulse stimulates the active release of a neurotransmitter from the relay neurone into the synapse. The neurotransmitter carrying the information from the relay neurone diffuses down the concentration gr...
IM
Answered by Isaac M. • Biology tutor
29671 Views

When given an equation in parametric form, how can you figure out dy/dx?

Assuming we are given that x = f(t) and y = g(t), we first differentiate x with respect to t to obtain dx/dt. Then, we differentiate y with respect to t to obtain dy/dt. Much like fractions, we can find dt/d...
DJ
Answered by Dave J. • Maths tutor
3804 Views