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Find the exact solution, in its simplest form, to the equation 2ln(2x+1) - 10 = 0.

We want to "undo" every step of the equation until we have just x on one side. So first add 10 to each side and then divide both sides by 2 to give ln(2x+1) = 5. Take the exponential of each side t...
EB
Answered by Eleanor B. • Maths tutor
5927 Views

Describe an action potential.

A stimulus excites a neuron by causing the opening of sodium channels. This causes an influx of sodium which causes the opening of other voltage-gated sodium channels. This causes the membrane to depolarise ...
MK
Answered by Maciek K. • Biology tutor
6017 Views

What is cracking and how is it done?

Cracking of CRUDE OIL is the breakdown of long-chain hydrocarbons (produced from fractional distillation) to shorter-chain hydrocarbons, which are more economically useful. Long chain hydrocarbons are vapour...
MK
Answered by Maciek K. • Chemistry tutor
3856 Views

Differentiate y = 2e^(2x+1)

Hint: Use the chain rule Answer: dy/dx = 4e^(2x+1)
MG
Answered by Matt G. • Maths tutor
5952 Views

Solve the equation [(3x + 3)/2x] + 2x - 1 = -3

In this question we are trying to find all the possible solutions of the variable x that will satisfy the given equation. Firstly, we see there is a denominator on one of the terms so we multiply all the ter...
CB
Answered by Chris B. • Maths tutor
3835 Views