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each share is 6000 / 12 - Imran's share is 7x this = 3500 rupees.
3500 x 3 / 5 = 2100.
2100/6000 x 100 = 35%
To solve quadratic equations we first need to factorise the equation into brackets. We can do this by looking at the numbers in the quadratic equation. The only number that isn't an x coefficient is the 1...
When you add and subtract surds, the numbers inside the square root must be the same. You add/ subtract the number outside the square root. e.g. 2√5 + 7√5 = 9√5, however 2√5 + 7√3 cannot be added. when yo...
x2+y2=25, y-2x= 5 y = 5+2x -----> y2 = (5+2x)2 = 25 + 20x +4x2 x2 + 4x2 + 20x + 25 = 25 5x2 + 20 x = 0 x = 0 y =...
a) (x+7)(x-7) b) y = (x^2) - 49 y' = 2x 0 = 2x x = 0 y = (0^2) - 49 y = -49, x = 0
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