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Maths
A Level

Using the product rule, differentiate y=(2x)(e^3x)

The product rule states that if y=uv, where u and v are both functions of x, then dy/dx = u(dv/dx) + v(du/dx)Therefore, the differential of 2xe3...

CO
Answered by Christy O. Maths tutor
6713 Views

Why is ꭍ2x=x^2+C?

Differentiating x2 gives dx2/dx=2x. Differentiating a constant C gives 0. d( x2 +C)/dx=dx2/dx+dC/dx=2x+0=2x. Since integration is the inverse function of differ...

LD
Answered by Larisa D. Maths tutor
5730 Views

Find the stationary points of the curve y (x)= 1/3x^3 - 5/2x^2 + 4x and classify them.

To find the stationary points of the curve y(x), you must first differentiate the equation for y(x) in terms of x. This gives d(y(x))/dx = x^2 -5x +4. Now set this differential equal to zero and solve for...

DR
Answered by Danny R. Maths tutor
6047 Views

Find the indefinite integral of x^8*ln(3x) using integration by parts

For this method we need to choose our u and dv/dx. Using the Late method (Logarithm, algebra, trigonometric, exponential), we can pick our u value which will be ln(3x). du/dx is therefore 1/x, using the c...

JB
Answered by Joel B. Maths tutor
5753 Views

A curve has an equation: (2x^2)*y +2x + 4y – cos(pi*y) = 17. Find dy/dx

You must differentiate each individual term in the equation.Firstly start with the term of the product of 2x2 * y, using the product rule (dy/dx = udv/dx + vdu/dx)Let u = 2x2

MB
Answered by Matthew B. Maths tutor
3601 Views

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