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What's the proof for the quadratic formula?

Mathematics is a unique subject within which many equations that you encounter have lots of functions and can be derived from the basics. The quadratic formula for instance is incredibly useful to quickly...

AO
Answered by Azeem O. Maths tutor
4360 Views

Solve: x^2-x-6 using factorisation.

To tackle this question we start by thinking about how many brackets will we need to factorise this equation. As there are three parts to the equation it is most likely we are looking for two brackets. K...

Answered by Maths tutor
3638 Views

Solve 5x^2 + 6x + 1 = 0

5x2 + 2x + 1 = 0, x = -0.2 or -1

MB
Answered by Miles B. Maths tutor
3123 Views

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
7147 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

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