solve by using formula 2y^2+6y=3
class 10 Quadratic Equation
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Therefore the minimum work done is when the external pressure is 0, which is the case under vacuum. This would mean that the work done under vacuum is 0. This is called free expansion. The greater the opposing force then the greater the amount of work done is (as work is equal to force applied over a distance).Jan 10, 2017
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