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Differentiate 2x^3 - xy^2 - 4

Differentiate the first term 2x3 as normal by multiplying the coefficient of x by the power and subtracting the power by 1 to get 6x2 . For the next term you have to use the product rule as you...

EV
Answered by Elena V. Maths tutor
3230 Views

Explain Aquinas’ Natural Law Theory

Natural Law is a deontological and absolutist theory created by Thomas Aquinas: a Catholic monk, and one of the founders of the Catholic church. It’s based on Aristotle’s agent centred idea that all human...

MD
32019 Views

The length of a rectangle is five times the width. The area of the rectangle is 180cm^2. Work out the width of the rectangle.

Lets start off by calling the width of rectangle 'w'. The length of the rectangle is 5 times the width, or '5w'. The area of a rectangle can be worked out by multiplying the length by the width, i.e. 5w x...

HW
Answered by Hannah W. Maths tutor
14566 Views

Find the gradient of the line on which the points (1,3) and (3,4) lie and find the y-coordinate of the line at x = 7.

The gradient is m = (y1-y0)/(x1-x0) = (4-3)/(3-1) = 1/2. So the equation of the line is y= x/2 + c where c is a constant. To find the constant, c, we will input one of the given coordinates (1,3). This sh...

RL
Answered by Ryan L. Maths tutor
3381 Views

What is the difference between ionic and covalent bonding?

With ionic bonding, two ions of the opposite charge are attracted to each other to form the bond. With ionic bonding, it is the strong electrostatic force of attraction between ions. While, covalent bondi...

SV
Answered by Shravya V. Chemistry tutor
2626 Views

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