Question

if α&β are the zeroes of the quadractic polynomial 3x^2+8x+2
Find the value of
I) α^2+β^2
II) α^3+β^3
III) α^2-β^2
pls ans it fast

Answer 1

Step-by-step explanation:

a+b= -8/3

ab= 2/3

1)a^2+b^2=(a+b)^2 -2ab=64/9-4/3=52/9

2)a^3+b^3=(a+b)^3 -3ab (a+b)= -512/27 -2×(-8/3)= -368/27