Top answers

What does differentiating do?

Differentiating is a process which you can apply to a function which lets you find the gradient (or slope) the function.
JL
Answered by Jack L. • Maths tutor
3614 Views

a)Given that 10 cosec^2(x) = 16 - 11 cot(x) , find the possible values of tan x .

The first part of the question is actually a "show that" the equation in the question can be rearranged to the form 10 cot^(x) + 11 cot(x) - 6 = 0. To do this add 11 cot (x) and subtract 16 to/from...
HW
Answered by Hebe W. • Maths tutor
5972 Views

Differentiate x^x

(x^x)(ln(x)+1)
AV
Answered by Aadil V. • Maths tutor
4290 Views

Using substitution, integrate x(2 + x))^1/2 where u^2 = 2 + x

u 2 = 2 + xx = u 2 - 2dx/du = 2u ʃ x(2 + x)) 1/2 dx= ʃ xu dx= ʃ u(u 2 - 2) dx= ʃ 2u 2 (u 2 - 2) du= ʃ 2u 4 - 4u 2 du= [2/5u 5 - 4/3u 3 + C]= 2/5 (2 + x) 5/2 - 4/3 (2 + x) 3/2 + C
SP
Answered by Sonali P. • Maths tutor
4649 Views

How do I make my answers and essays more A-level standard?

The main difference between GCSE and A-level is the structuring of your essays and the sophistication in which you approach your answers. Instead of giving, for example a for and against answer to a yes or n...
KP
Answered by Kate P. • History tutor
2326 Views