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for example 3x²+2x+1 differentiated? axⁿ differentiates to (an)x^n-1 therefore 3x² goes to 6x  2x goes to 2 and 1 goes to 0 so the fina...

Well, for numbers, we have a number axis which is a straight line (like this [...]) and it is divided into more pieces, of one unit each. We begin to draw this axis by placing zero in the middle (like thi...

The probability that the first sweet Hannah eats is orange is 6/n, as there are n sweets and 6 of them are orange. If this is indeed orange, then there are now n-1 sweets left in the bag, of which 5 are o...

Factorise and solve x² - 8x + 15 = 0.

When factorising there are 3 things to look for;

1. A common factor in each component of the equation. In this case there are no commo...

My patio has an area of 68 m , so 48m².
Each tile has an area of 0.50.5 m, so 0.25m².
To find the number of tiles we need, we divide the area of the patio by the...