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What should I include in my personal statement?

A personal statement needs to be unique and memorable but also show your passion for the subject. For medicine, you need to show you're a caring person and give specific examples of this, which is why work e...
RP
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What is the gradient of the curve 3x^3 + 7x at the point x=3?

The gradient or the slope of a curve is defined as the change in the y direction over the change in the x direction (dy/dx). In order to calculate a formula for the gradient of a curve we must differentiate ...
JK
Answered by Junaid K. • Maths tutor
3608 Views

Find the values of k for which the equation (2k-3)x^2- kx+(k-1)=0 has equal roots.

For a quadratic to have equal roots, the value of the discriminant (b 2 -4ac) =0. This means that the quadratic formula yields only one result (or two equal roots), since x=(-b ±0)/2a , thus if a and b are c...
HK
Answered by Henry K. • Maths tutor
12572 Views

Explain what occurs at a conservative plate boundary and provide an example.

A Conservative plate boundary is where two crustal plates slide past each other, and the movement of the plates is parallel to the plate margin. The plates move with relative horizontal movement which is eit...
RP
Answered by Rachel P. • Geography tutor
32441 Views

How do I rationalise the denominator? (Surds)

If you have a fraction where the denominator is a surd, such as 5/(1+sqrt(2)), you need to multiply the denominator by another number so that it becomes a a whole number. If you multiply either the denominat...
LC
Answered by Leanne C. • Maths tutor
3679 Views