Given that y=2xy = 2^xy=2x show that dydx=2xln2\displaystyle \frac{dy}{dx} = 2^x \ln 2dxdy=2xln2
Find the equation to the tangent of the curve y=3(x2)y = 3^{(x^2)}y=3(x2) at the point (2,81)(2, 81)(2,81)
Practise Edexcel A Level Maths 9.2 Differentiating exponentials and logarithms with exam-style questions for A Level Maths. 23 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.