Search our library of A Level questions

Top answers

All subjects

A Level

FInd the equation of the line tangent to the graph g(x)=integral form 1 to x of cos(x*pi/3)/t at the point x=1

This problem requires us to find out the equation of the tangent line, which has form y=mx+q.M is the angular coefficient or slope of the line and can be evaluated through the derivative of the function ...

Answered by • Maths tutor

3306 Views

How do I know when to use the imperfect and when to use the past historic in French?

The imperfect may indicate:
- an action of the past whose duration is not defined;
"Il prenait son bain.""Elle occupait un p...

Answered by Pauline L. • French tutor

2682 Views

What is the Marxist understanding of the Family?

The Marxist understanding of the Family focuses on its role in the process of production. According to Engels, whose 'The Origins of the Family' is a major source for Marxist sociologists of kinship, the ...

Answered by • Sociology tutor

1963 Views

Please briefly explain the cosmological argument for the existence of God.

In our experience of the world, everything that exists, exists because it has a cause. Nothing that exists is causeless. If so, what is it that causes everything that exists? The cosmological argument pos...

Answered by • Religious Studies tutor

2427 Views

Given that 2log2(x+15) -log2(x) = 6, show that x^2-34x+225=0

As we know nlog(a) is the same as log(a)^n, we can rearrange the equation to log2(x+15)^2 -log2(x) = 6. Also, we know that log(a) - log(b) is equal to log(a/b), so we can fu...

Answered by Rafey A. • Maths tutor

12465 Views