Edexcel Core 4

What what values of x is this binomial expansion valid?
√(1-3x)

What is the differentiation formula for parametric equations?

What is the differential of aˣ ?

If a rate is proportional to x then it can be said that the rate expression = ...

A vector quantity has both....

What is a scalar?

What is the triangle law?

Adding the vectors PQ and QP gives...

The modulus of a vector gives its...

How do you find the unit vector of a vector a?

If ƛa + µb = άa + βb
and the non-zero vectors a+b are not parallel...

The distance from the origin to point (x, y, z) is...

THe distance between 2 points: ₂₃₁
(x₁, y₁, z₁) and (x₂, y₂, z₂) is...

What is a.b called?

What is the formula for the scalar product of 2 vectors?

If two vectors are perpendicular then a.b = ...

If 2 vectors are parallel a.b = ...

What is the sec²x identity?

What is the Cot²x identity?

What is the sine double angle identity?

What is the integration by recognition formula for a fraction?

What is the integration by recognition formula for functions with powers?

What is the integration by parts formula?

What is the trapezium rule?

What is the formula for calculating h in the trapezium rule?

What is the formula for solids of revolution 360 degrees of f(x)?