Question

maths mcq . if one root of quadratic equation x²+ax + 3 = 0 is 1 , then its o

Answer 1

Answer:

The value of a is -4.

Step-by-step explanation:

x²+ax+3= 0

One root of the equation is 1 .

Put x=1

1²+a×1+3=0

=>a+4=0

=>a=-4