exam Maths Puzzle Numerical Ability

Graph. y > x2+ 2.5

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exam Other Question

suppose that the indes of refraction v1/v2 of light in passing from one medium into another is 1.89, and that the angle of incidence is theta1=64(degrees). using Snell's law, i got a few questions to be asked What is -2x multiply 3x,-2xy multiply 3x -16 / 4x, 3x + 4x, -2y + 4y

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