Question

If y=1 is a common root of the equation ay²+ay+3=0 and y²+y+b=0.Then find the value of a×b 7.Find the roots of the equation 2a²+3a-44=0​

Answer 1

Answer:

first answer : 3

second answer :

$4 \: and \: - \frac{11}{2}$

Step-by-step explanation:

part 1 :

since 1 is root of both the equation so it satisfies both the equations. from first equation we get

a+a+3=0 so

$a = - \frac{3}{2}$

from second equation we get 1+1+b=0

so b= -2

so a×b=3

part 2:

use any factorisation method to get the answer