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Find dy/dx when y = 2ln(2e-x)

Answering this question requires knowledge of e and ln. If we look at the question we can see 2 is being multiplied by the ln, so we might want to use the product rule. Also, we can see that the ln has a big...
JL
Answered by Jay L. • Maths tutor
10351 Views

Expand and simplify (x+12)(x-3)

In order to solve this question, I am going to use the FOIL (first, outer, inner, last) method of expanding brackets. First we need to multiply the two first elements in each bracket together - in this case ...
JL
Answered by Jay L. • Maths tutor
12664 Views

How to achieve an A* or A grade in Sociology?

With Sociology, applying the main theories to the question is always something that moves you up the grading ladder. What I mean by the main theories is Marxism, Functionalism, Feminism, Neo-Marxism and Post...
RL
Answered by Rachael L. • Sociology tutor
7564 Views

What is the difference between “吗” and “妈”?

Although both characters have the 'horse' component, the first also has the 'mouth' key, suggesting it is a form of interrogation we use at the end of a sentence, while the second has the 'woman' key, pointi...
LT
Answered by Leopold T. • Mandarin tutor
3261 Views

Show that AB is not parallel to CD.

Question has two figures: a trapezium with angles 60, 2x, 3x,x and two lines AB and CD with a line across them forming conjugate angle sets with the two labelled angles 120 and x not part of the same pair. E...
EP
Answered by Elizabeth P. • Maths tutor
14601 Views