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Evaluate the integral between 5 and 3 for xe^x

Firstly, by looking at the integral, we see that this will have to be done by parts. There are 2 parts of this expression, the ' x ' and the ' e^x' . As we know the formula for integration by parts is: integ...
IO
Answered by Ishaan O. • Maths tutor
3723 Views

When is the subjunctive used with cuando?

The subjunctive is used with cuando when it is used with the future tense, or describes something that is yet to happen. For example: 'cuando tenga un gato' (when I have a cat) Here, the subjunctive is used ...
LS
Answered by Leila S. • Spanish tutor
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Make x the subject of the following formula: x/2 + 3 = y - 2

To make x the subject of the formula, we simply want to have x on its own on one side of the equals sign. So we need to remove any numbers on the same side as x. A key rule to remember is that everything we ...
TD
Answered by Tutor304375 D. • Maths tutor
5634 Views

Make x the subject of the formula: 3x - 2 = y + 10

x = (y+12)/3
JK
Answered by Jameela K. • Maths tutor
3975 Views

Solve 2x^2 - x - 21 by factorising

Lets begin by splitting the bx term to make factorising possible: 2x 2 - x - 21 is the same as 2x 2 - 1x - 21What two numbers = -1 when added, and = -42 when multiplied together?(note - they have to multiply...
LQ
Answered by Lara Q. • Maths tutor
9704 Views