Top answers

expand the brackets (x+5)(x+3) furthermore what are the two values of x

X 2 +3X+5X+15 Take the first X in the first bracket and multiply by every number or letter in the second bracket. Take the Second number in the first bracket and multiply by every number or letter in the sec...
SW
Answered by Shaun W. • Maths tutor
10609 Views

Find D when 8x^3-12x^2-2x+D is divided by 2x+1 when the remainder is -2

8x 3 -12x 2 -2x+D...(1) 2x+1...(2) Assume 2x+1=0 so x=-1/2 8x 3 -12x 2 -2x+D=-2... when divided by (2) substitute -1/2 into all X values rearrange to find D
SW
Answered by Shaun W. • Maths tutor
4657 Views

How would you differentiate ln(sin(3x))?

To answer this question we require the chain rule, which states that dy/dx=(dy/du)*(du/dx) To use this formula in our question, we can let y=ln(sin(3x))=ln(u) where u=sin(3x) Firstly, using a standard result...
HD
Answered by Hannah D. • Maths tutor
12563 Views

What are the main characteristics of Enzymes?

Enzymes are biological catalysts. They speed up reactions although they are not changed in the reaction. Enzymes are proteins, and therefore are folded chains of amino acids with a specific shape. This shape...
AG
252376 Views

What is the function of a SWOT analysis?

The Swot Analysis is a decision-making tool analysing both the external and internal advantages and disadvantages of an investment. It allows the investors to take account of the external environment, summar...
AG
9158 Views