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Maths
A Level

Express the fraction (p+q)/(p-q) in the form m+n√2, where p=3-2√2 and q=2-√2.

To answer this question, m and n should be whole numbers instead of fractions, without any square root terms in them. To do this, we first find the numerator, p+q, and the denominator, p-q, individually.N...

EF
Answered by Elizabeth F. Maths tutor
7159 Views

Is the trapezium rule an exact method of integration?

The trapezium rule is not an exact method of integration, as it approximates the gradient between 2 ordinates to be constant. This method produces an overestimation for convex functions and underestimate ...

Answered by Maths tutor
2901 Views

f(x)=6/x^2+2x i) Find f'(x) ii) Find f"(x)

2-12/x^3
36/x^4

Answered by Maths tutor
3391 Views

Solve the equation: 2x+3y=8 & 3x-y=23

2x+3y=89x-3y=6911x=77x=7
2(7)+3y=83y=8-14y=-2SOLUTION : x=7, y=-2

Answered by Maths tutor
4955 Views

State the conditions under which a binomial distribution can be approximated as a normal distribution, and state how the parameters needed would be calculated.

This is a two - part question. The first part is stating the necessary conditions, of which there are two: the number of trials must be large (more than 50), and the probability of success or failure must...

Answered by Maths tutor
6176 Views

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