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Express 2(x-1)/(x^2-2x-3) - 1/(x-3) as a fraction in its simplest form.

The answer is 1/(x+1)I began by factorising the denominator of the first fraction:2(x-1)/(x^2-2x-3) - 1/(x-3) = 2(x-1)/(x-3)(x+1) - 1/(x-3) Next, I multiplied both the numerator and the denominator of the...

Answered by Devan R. • Maths tutor

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'It is rarely good for us to get what we want' In the light of this view, consider ways in which writers portray appetites and desires, and their consequences. In your answer, compare one drama text and one poetry text from the above lists.

The following picture details my A Level English Literature examination results: https://gyazo.com/fac9fef7b47e8f901621f0d13d4cb03c

Both Ford and Blake similarly corroborate the notion that des...

Answered by Kaleem B. • English tutor

2318 Views

What is the equation of the tangent to the curve y=x^3+3x^2+2 when x=2

dy/dx=3x^2+6xx=2m=3(2)^2+6(2)=24at x=2 y=22(2,22)y-22=24(x-2)y-22=24x-48y=24x-26

Answered by Kieran H. • Maths tutor

4000 Views

What is meant by the term optical isomerism?

Optical isomerism is a form of stereoisomerism (different arrangement of the same atoms in 3D space) which is caused by the presence of a chiral carbon in a molecule. A chiral carbon is a carbon with four...

Answered by Sophie M. • Chemistry tutor

2354 Views

Explain the formation of an action potential in a neuron

Firstly, depolarization of the neuronal membrane occurs. This is due to a stimulus which causes voltage-gated sodium ion channels to open, allowing sodium ions to diffuse down their concentration gradient...

Answered by Sophie M. • Biology tutor

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