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Factorise and solve x2 - 8x + 15 = 0.
When factorising there are 3 things to look for;
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...
int(5x3 + (2x)-1 + e2x )dx
=int(5x3)dx + int((2x)-1)dx + int(e2x )dx
int(5x3)dx = (5/4)x4+ c ...
8a3bab4 2a3b2 (can write this more clearly by hand using whiteboard) First go about seperating and collecting terms. Begin with the top line. ...
It's a two part question. First Part Expand the equation the left hand side to get a^(2)*x-b^(2)*x^3 thus comparing co-efficients a^2=25 and b^2=4 thus a= 5 b=2 Second Part Therefore b^(-a) ...
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