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How do you know whether to use the imperfect or perfect tense?

The perfect tense is used to for completed actions in the past. For example, le semaine dernier je suis allé en France would translate to last week I went to France. The imperfect is used for incomplet...

MP
Answered by Megan P. French tutor
5838 Views

How do I use the chain rule to differentiate polynomial powers of e?

e(x^2+2)=f(x)=y

Is the equation we will use to demonstrate correct use of the chain rule.

The equation at the core of the chain rule is:

...

JO
Answered by Joshua O. Maths tutor
5803 Views

What is Effective Nuclear Charge?

Effective Nuclear Charge is the net positive nuclear charge experienced by a valence electron orbiting the positively charged nucleus in an atom. Effective nuclear charge is redcued by:

-...

JO
Answered by Joshua O. Chemistry tutor
18389 Views

How do you find the coordinates of stationary points on a graph?

First differentiate the function:  y = f(x)   =>   dy/dx = f'(x)

Then set dy/dx = 0 and find the solutions. i.e. solve 0 =  f'(x)

For each value of x that is a solution, ...

DK
Answered by Daniel K. Maths tutor
9237 Views

Explain briefly the Normal Distribution

Firstly, understanding how to construct a histogram will make understanding the Normal Distribution aka Gaussian Distribution much easier.

It is still an arrangement of a d...

HJ
Answered by Han Jim Z. Maths tutor
5057 Views

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