multiple correct type: if f(x)=x^4+x^3-2x^2-8x then which of the following are correct options :a- f(x)=0 has two real roots, b- f(x)=0has real roots in (-1,2),c- sum of real roots of f(x)=0 is 2 , d- product of real roots of f(x)=0 is 2.please sir explain to me each option as i am not able to.
multiple correct type: if f(x)=x^4+x^3-2x^2-8x then which of the following are correct options :a- f(x)=0 has two real roots, b- f(x)=0has real roots in (-1,2),c- sum of real roots of f(x)=0 is 2 , d- product of real roots of f(x)=0 is 2.please sir explain to me each option as i am not able to.
raman , 10 Years ago
Grade
