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find dy/dx when y=x^3 + sin2x

so this question is asking you to differentiate x 3 + sin2xwe know that x n differentiates do nx n-1 , so using that x 3 will differentiate to 3x 2 we know that sinx differentiates to cosx and 2x differentia...
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Ignoring air resistance and assuming gravity to equal 9.81. If a ball of mass 1kg is dropped from a height of 100m, calculate it's final velocity before it hits the ground.

G = 9.81u = 0s = 100v 2 = u 2 + 2asv 2 = 2 * 100 * 9.81v = root( 2 * 100 * 9.81) = 44.29ms -1 This question can be made into a 3 part question suitable for advanced A level students B) Determine or show grap...
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Integrate with respect to x [x^2]

Integrate(x 2 )When we integrate we use the formula x n+1 /n+1So therefore as in this case n=2So taking this all into account, the integral of x 2 = x 3 /3
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A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.

Area of rectangle is 20 cm 2 . The new area of the enlarged rectangle is the original area, 20 cm 2 , times the area scale factor. We are only given the length scale factor, therefore, we need to work out th...
PB
Answered by Paulina B. • Maths tutor
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∫ 4/x^2+ 5x − 14 dx

For this problem we want to look to split it into logical steps We first identify that it is an integration problem without limits therefore there will be a constant of integration +C present The denominator...
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Answered by Kostas K. • Maths tutor
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