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Find the values of k for which the equation (2k-3)x^2 - kx + (k-1) = 0

A quadratic equation has two equal roots when its discriminant is equal to 0. Calculating the discriminant of the given equation: D = k2 - 4(k-1)(2k-3) = k2 - 8k2+20k-12...

KP
Answered by Katerina P. Maths tutor
4234 Views

Arrange the following elements in order of increasing ionization energy. Give an explanation. a) K, Cs, Na b) F, N, Be

a) Cs, Na, K The ionisation energy increases when going from bottom to top within a group due to electron shielding. b) Be, N, F The ionisation energy increases when going from left to right within a peri...

KP
4635 Views

How did Hitler rise to power?

The rise of fascism in Germany in the interwar years can be seen as a failure of liberal democracy, rather than solely as the success of a new ideology, and must be framed within its European context. Alt...

RP
Answered by Reuben P. History tutor
2805 Views

What is the ‘philosophical zombies’ argument for property dualism

This is an argument by Chalmers that is used to argue against the physicalist idea of what the mind is. The argument is as follows:

P1. Physicalists argue consciousness is a physical property of th...

AK
Answered by Adam K. Philosophy tutor
11119 Views

Explain the motivations and challenges of Virtue Ethics

Whilst the details and lines of argument of an answer can vary, a good attempt would cover some of the following points: An overview of virtue ethics, explaining that virtue ethics in all its forms comes ...

JC
Answered by James C. Philosophy tutor
7697 Views

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