Given that y=4xy = 4^xy=4x show that dydx=4xln4\displaystyle \frac{dy}{dx} = 4^x \ln 4dxdy=4xln4
[2]
b.
Find the equation to the tangent of the curve y=2(2x2)y = 2^{(2x^2)}y=2(2x2) at the point (1,4)(1, 4)(1,4)
[4]
Markscheme
9.2 Differentiating exponentials and logarithms Questions
23 exam-style questions on Edexcel A Level Maths 9.2 Differentiating exponentials and logarithms. Each one has a worked solution and a mark scheme showing where the marks go.