The equation 5x sqaured + px + q , where p and q are constants, has roots α and α + 4. (a) Show that p squared = 20q +400.

a+a+4 = -p/5a+2 = -p/10(a+2)sqaured = q/5 +4p sqaured/100 = q/5 +4p sqaured = 100(q/5 +4)implies p squared = 20q+400

AT
Answered by Ahmed T. Maths tutor

6196 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Rationalise the fraction : 5/(3-sqrt(2))


How would I sketch the graph sin(x) + sin(2x - π/2) in my exam?


Show that: [sin(2a)] / [1+cos(2a)] = tan(a)


Find dy/dx of 5x^2 + 2y^3 +8 =17.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning