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Prove the square of an odd number is always 1 more than a multiple of 4

We will start by representing an odd number using algebra. Let n be a integer, i.e. 1,2,3,4,etc. then we can define an odd number as (2n)-1. This is because if a number is of the form 2n it must be even, sin...
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Answered by Tutor285427 D. Maths tutor
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How do I use simple integration?

It's a simple process once you know the basics behind it.Let's take X 2 We have been asked to integrate this.The first thing is to always add 1 on to the power.X 3 Next thing is to divide by that same power....
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Answered by Jamaal A. Maths tutor
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What is hydrogen bonding?

Hydrogen bonding is a type of chemical interaction, or bond, that occurs between certain types of molecules. Hydrogen bonding relies on a chemical concept known as polarity . Just as the name suggests, polar...
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Answered by Anya L. Biology tutor
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Solve the simultaneous equations: 1) 6a+b=11 , 2) 5a-2b=19

To solve, first create a common factor for b by multiplying the 1st equation by 2 to get: 12a+2b=22.Now, add the two equations together to get: (12a+5a) + (2b-2b) = (22+19)which is 17a=41 , when simplified.S...
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Answered by James T. Maths tutor
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‘The first fifty pages of 'Brighton Rock' are all that remain of that detective story.’ To what extent do you agree with this view of the novel?

Writing a thesis statement is the easiest way of ensuring that your essay is structured well, that it is focused, and will reassure the examiner that you know what you're doing. It should, crucially, answer ...
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Answered by Emma S. English tutor
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