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}
Answers
Answered by
6
Hope this may help uh
Option b is correct
Option b is correct
Attachments:
Anonymous:
wow
Answered by
1
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
alpha . bita = c/a=-8/1=-8
so
alpha + bita + alpha.bita =2+(-8)=-6
option B .
Mark it as brainliest
Similar questions