If `a and b(!=0)` are the roots of the equation `x^2+a x+b=0,` then find the least value of `x^2+a x+b(x in R)dot`

If a, b and c are roots of the equation x^3+qx^2+rx +s=0 then the value of r is

If a and b are the roots of the equation x^(2)+ax+b=0, a ne 0, b ne 0 , then the values of a and b are respectively

If a and b are the roots of the equation x^2 - kx + 16 =0 satisfy a^2 + b^2 =32 , then the value of k is …………… .

If a and b are roots of the equation x^(2)-kx+16=0 and satisfy a^(2)+b^(2)=32 then the value of k is

If a and b are the roots of the equation x^(2)-kx+16=0 and satisfy a^(2)+b^(2)=32 then the value of k is …………… .

If alpha and beta are the roots of the equation x^(2)-ax+b=0 ,find Q(b) (1)/(alpha)+(1)/(beta)

Let a , b and be the roots of the equation x^2-10 xc -11d =0 and those roots of c and d of x^2-10 a x-11 b=0 ,dot then find the value of a+b+c+d

If alpha,beta are the roots of the equation a x^2+b x+c=0, then find the roots of the equation a x^2-b x(x-1)+c(x-1)^2=0 in term of alphaa n dbetadot