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Find the gradient at the point (0, ln 2) on the curve with equation e^2y = 5 − e^−x

Question is asking for gradient at x = 0, y = ln2. e^2y = 5 - e^-x. Differentiation with respect to x: 2e^2y * dy/dx = e^-x . dy/dx = e^-x / 2e^2y. At x = 0, y = ln2 ~ dy/dx = e^0 / 2e^2ln2 = 1 / 2e^ln4 = 1 ...
LK
Answered by Lokmane K. • Maths tutor
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How should I structure my essay for the best results?

The structure of your essay is as essential to your grade as your argument, without the perfect structure you cannot effectively provide a succinct and convincing argument to the examiner. Firstly, I would a...
LS
Answered by Leah S. • English tutor
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1. (a) Find the sum of all the integers between 1 and 1000 which are divisible by 7. (b) Hence, or otherwise, evaluate the sum of (7r+2) from r=1 to r=142

1a) 1000/7=142.8.... Therefore there are 142 multiples of 7 between 1 and 1000 Therefore the sum of series from 1 to 142 is 1/7th of the solution Calculation:7 0.5 142 143=71071 1b) The sum of (7r+2) from r=...
JF
Answered by Jack F. • Maths tutor
6594 Views

Explain the process of Glycolysis and the products required and formed at each stage?

Glycolysis takes place in the cytoplasm and is anaerobic (requires no oxygen). 2ATP molecules are needed for the phosphorylation of glucose, forming hexose phosphate. Hexose phosphate is unstable and forms t...
AL
Answered by Abu L. • Biology tutor
4094 Views

How successfully did Henry VII use foreign policy to secure his dynasty

Dynastic security Henry VII as a usurper with a weak claim to the throne, had to secure his dynasty by using foreign policy. Initially he found success in organising a marriage between Arthur and Catherine o...
AL
Answered by Abu L. • History tutor
29472 Views