exam Maths Puzzle Numerical Ability

x^3+2x^2-5x-6=0

Read Solution (Total 0)

exam Other Question

Add

4y/y^2 + 6y + 5 + 2y/y^2 - 1
I am trying to show the result of adding two fractions.
x=times and /= divide

What are the steps to show that
u x i/2pi x (D+d)+ u x i/2pi x (D-d) is equalt to u x i x D/pi(D sq -d sq)

Hope you can help