(adsbygoogle = window.adsbygoogle || []).push({}); 1.Show that x^3 - 3kx + 1 = 0 does not have two distinct roots when k<0

2.Locate the points of discontinuity for the functions :

a.) f(x)= 2u(x-3)-u(x-4)

b.) g(x)= [u(x)-u(x-pie/2)

u(x) is a unit step function.

Could u guys help me out, I have no idea how to solve this..

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# Calculus assignment

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