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Find the stationary points of the curve given by the following function: f(x) = x^2 + 5x + 2

Differentiate the curve to get the gradient function: f'(x)= 2x + 5. Solve for x when f'(x) = 0 --> 2x + 5 = 0, 2x = -5, x = -5/2 Substitute into the original equation to find y: (-2.5)^2 + 5 * -2.5 + 2 =...
TD
Answered by Tutor49585 D. • Maths tutor
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Computers use virtual memory, can you explain what this is and how it is used?

Virtual memory is within the hard disk of the computer. It functions in the same way as RAM, but storing open applications when there is not enough RAM. It has a slower access time than the main memory and i...
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I'm not from a medical background. How can I go about getting relevant work experience?

Fortunately medical schools are well aware of how difficult it can be to get experience in clinical settings. As a result they are much more interested in how you reflect on the work experience that you have...
BR
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Solve this question

2X2 = 4
MK
Answered by Maria K. • Maths tutor
4144 Views

The curve C has equation x^2 + 2xy + 3y^2 = 4. Find dy/dx.

Here, we have to use implicit differentiation, along with the product rule. Remember that the product rule is (vu)' = vu'+uv'. Moving through the equation we have: x^2+2xy+3y^2 = 4 ==> 2x +2y + 2x*(dy/dx)...
CB
Answered by Chris B. • Maths tutor
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