Question

If α and β are the zeroes of the quadratic polynomial x²-2x-8, then α+β+αβ is :
a. 6
b. -6
c. -10
d. 10

{AMU +2 ENTRANCE TEST PAPER 2014-15}

Answer 1

Hope this may help uh

Option b is correct

Answer 2

alpha + bita = -b/a= 2/1=2
alpha . bita = c/a=-8/1=-8

so
alpha + bita + alpha.bita =2+(-8)=-6
option B .

Mark it as brainliest