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Find the equation of the normal to the curve 2x^3+3xy+2/y=0 at the point (1,-1)

Step 1 Use Implicit differentiation with respect to x and y - 6x^2+3y + 3x(dy/dx) - 2/y^2(dy/dx) = 0Step 2 Write the equation as dy/dx =... - dy/dx = (6x^2 + 3y)/(2/y^2 - 3x)Step 3 Input (1,-1) into th...

Answered by Maths tutor
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Describe and explain the trend in atomic radii across the periodic table

Atomic radii decreases in size, moving from left to right in the periodic table.
This is because atoms on the right hand side of a period have a larger number of protons. So, there is a greater pos...

Answered by Chemistry tutor
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Explore Milton's presentation of Eden in the 'Labour Debate' in Book Nine of Paradise Lost.

The Labour Debate is a crucial moment in Book Nine whereby Milton exposes the structural flaws of Eden, so that the reader can later understand the internal dynamics of the temptation scene. The centre of...

CE
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why is the Harvard architecture is sometimes used in preference to the von Neumann architecture and give examples of each system

The Harvard architecture can fetch instructions while accessing data memory at the same time.The Harvard architecture is used for embedded computers and von Neumann architecture is used for desktops.

Answered by Computing tutor
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Explain why the first ionisation energy of Al is less than that of Mg?

The outer electron on aluminium is removed from the 3p sub-level, whereas the outer electron on magnesium is removed from the 3s sub-level.The 3p sub-level is higher in energy than the 3s sub-level.Alumin...

Answered by Chemistry tutor
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