Top answers

How do I make my personal statement stand out?

That is the million dollor question! Making a personal statement (A 4,000 character) document stand out can be difficult. One point that I cannot stress enough is being yourself, from beginning to end you ne...
IK
3975 Views

differentiate y=e^2x

y=e^x When we derive, the power is brought down to the front - e.g. 2e^2x. Once this has been reached, you must normally remember to reduce the power by 1. However, with the exponentials, the power remains t...
JJ
Answered by Jamie J. • Maths tutor
18617 Views

Find the set of values for x for which x^2 - 9x <= 36

Rearrange to get x^2 - 9x - 36 &lt;= 0 Solve quadratic (x-12)(x+3) &lt;= 0 Solve for x x = 12, x = -3 Now, we have key points 12 and -3, we need the range of values for x where x^2 - 9x - 36 &lt;= 0. So, we ...
DD
Answered by Daniel D. • Maths tutor
11697 Views

I think German grammar is kind of overwhelming - there are so many different rules to take into account in order to form a proper, correct sentence. How should I approach this problem?

I understand this feeling, as German is, compared to English, very complex. However, we will start building up your knowledge like a house. We will start with the basics - e.g., conjugation - and won't proce...
KW
Answered by Kristina W. • German tutor
1773 Views

Why does d/dx (tan(x)) = sec^2(x)?

This result comes from using a trig identity and the quotient rule. First, we write tan(x) as sin(x)/cos(x). Then we apply the quotient rule. After doing the standard derivatives, the numerator of our fracti...
TD
Answered by Tutor42661 D. • Maths tutor
12823 Views