In the trapezium shown, BE:BC = 1:3. Show that 3AC DE = 2(4m² - n²) where AB m, DC| = 2|AB and DA| = n D B E 'С

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A: To find (u*v).(u-v)+(u.v)

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A: By simply differentiate  with respect to x to find d^2y/dx^2

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A: 16) Given: x=5y-3 and y=-2a3 To write x in terms of a, substitute the value of y in x

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A: We are given: x3 -y3-z3=6xyz we need to find the derivative of z with respect to x. This can be done…

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Q: 2) Find

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