If 
and x = ‒3 are the roots of the quadratic equation ax2 + 7x + b = 0 then find the values of a and b.
We have, ax2 + 7x + b = 0
Now, Sum of zeros
∴a = 3 (i)
Product of zeroes
(From i)
∴b= -6
19
If and x = ‒3 are the roots of the quadratic equation ax2 + 7x + b = 0 then find the values of a and b.
We have, ax2 + 7x + b = 0
Now, Sum of zeros
∴a = 3 (i)
Product of zeroes (From i)
∴b= -6