Construct the quadratic equation whose roots are (i) 4, -3 (ii) both equal to 5 .
Quadratic Equations.
Answers
Answered by
1
If roots are a and be then
i) a=4 b= -3
Sum of roots= 4-3=1
Product of roots = 4*-3= -12
Quadratic equation
x^2-(a+b)x + ab =0
x^2-1*x+(-12)=0
x^2-x-12=0
ii) a= b=5
a+b=10
ab=25
Qudratic equation
X^2-10x+25=0
i) a=4 b= -3
Sum of roots= 4-3=1
Product of roots = 4*-3= -12
Quadratic equation
x^2-(a+b)x + ab =0
x^2-1*x+(-12)=0
x^2-x-12=0
ii) a= b=5
a+b=10
ab=25
Qudratic equation
X^2-10x+25=0
Similar questions