Maths · Relations between roots and coefficients, nature of roots
If a zero of =x^{2}+3 x+g \) is then value of is
If a zero of \( p(x)=x^{2}+3 x+g \) is \( 2, \) then value of \( g \) is
- A. -10
- B. 10
- C. 5 \)
- D. -5
Step-by-step solution
Since 2 is a zero, substitute x=2 into p(x)=x^2+3x+g: 2^2 + 3*2 + g = 4 + 6 + g = 10 + g = 0, so g = -10.