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The circle c has equation x^2 + y^2 = 1. The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.

The first step would be to form an equation for the line l. Using y=mx+c, and the information provided in the question, the equation for line l is y=3x+1. To find the coordinates of where c and l intersect, ...
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Answered by Dilan P. • Maths tutor
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What is the derivative of y=(e^(2x))(sin(3x))

This question is slightly complex and requires you to use multiple differentiation rules. Since we are differentiating a product of two functions, the first rule that we have to use is the product rule: mult...
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Answered by Sajidah H. • Maths tutor
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What is the best way to accurately translate during an exam?

One of the hardest things to achieve during an exam is when you get to the translation paper., there is no doubt about that. The best way to approach it really does come down to a matter of personal preferen...
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Answered by Rhys C. • Spanish tutor
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Can you translate the phrase "I went shopping" into french?

In this case we must first understand what tense the sentence is in. It is written in past tense. However the trick about this sentence is that the verb needed to be used is "faire" because in fren...
TA
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What is the atomic number of an atom and How many electrons are there in an atom of Nitrogen when it has an atomic number of 7?

The atomic number is equal to the number of protons in an atom. The number of protons in an atom is equal to the number of electrons in an atom so the number of electrons in nitrogen is 7 electrons
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