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Solve algebraically the simultaneous equations: x^2+y^2 = 25 and y-3x=13

To answer this question, we need to make y the subject of the second equation. We can do this through simple rearrangement:

y-3x=13 so y=13+3x

Now that we have y on its own, this means we ca...

JK
Answered by James K. Maths tutor
8339 Views

Differentiate the function f(x)=2xsin3x

Use the product rule: u'v + uv' u = 2x     V= sin3x u'= 2       v'= 3cos3x = (2)(sin3x) + (2x)(3cos3x) = 2sin3x + 6xcos3x

TW
Answered by Thomas W. Maths tutor
5103 Views

Describe and explain Anselm's Ontological Argument.

The Ontological Argument is one of five classical arguments for the existence of God, using a prior logic (knowledge without experience). It was formulated primarily by St Anselm (1033-1109), defining God...

LL
6449 Views

How can the Central Bank use Monetary Policy to achieve Economic Prosperity

The central bank is headed by a committee of nominated members who meet every month to negotiate whether or not changes to monetary policy should be made. The way in which the central bank can improve the...

EG
Answered by Elliot G. Economics tutor
2881 Views

How do I add contextual knowledge about the text into my answers?

Contextual knowledge includes all kinds of things that give a background of the text, for example why it was written, what belief system it is situated in, what historical events influenced the writer. Th...

JC
Answered by Jim C. English tutor
12399 Views

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