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Find the equation of the normal to the curve at the point (1, -1 ): 10yx^2 + 6x - 2y + 3 = x^3

Firstly, an expression for dy/dx needs to be found to allow us to find the gradient of the normal. As a normal is a straight line, the equation y-y 1 =m(x-x 1 ) can be used to find its equation. We are given...
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Answered by Tutor125302 D. • Maths tutor
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Express x^2-4x+9 in the form (x-p)^2+q where p and q are integers

The first step would be to expand the second equation:(x-p)^2+qx^2-px-px+p^2+q this simplifies to x^2-2px+p^2+q After this you examine the two equations and identify their similarities such as the x^2 term a...
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Answered by Mark N. • Maths tutor
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Given that y = 2^x, express 4^x in terms of y.

4^x = (2*2)^x =2^x * 2^x = y^2
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Answered by Benjamin M. • Maths tutor
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Analiza la presentación del tema de la maternidad, o lo que significa ser madre, en la novela entera. Justifica tu respuesta con referencias detalladas.

I will not answer completely this question as it is an essay question but I will explain the key points of what my answer would be:En el texto 'Como agua para chocolate' de Laura Esquivel, se analizan tres m...
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Answered by Alejandra T. • Spanish tutor
4661 Views

What is the purpose of trying to achieve economic efficiency?

To ensure resources are not wasted.
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