If `ax^2-(2a+3)x+(3+5a)=0` has no real roots, then `a` lies in the interval

If the equation has no real root, then lamda lies in the interval

If the equation has no real root, then lamda lies in the interval

If z^3+(3+2i)z+(-1+i a)=0 has one real roots, then the value of a lies in the interval (a in R)

If z^3+(3+2i)z+(-1+i a)=0 has one real roots, then the value of a lies in the interval (a in R) (-2,1) b. (-1,0) c. (0,1) d. (-2,3)

If z^3+(3+2i)z+(-1+i a)=0 has one real root, then the value of a lies in the interval (a in R) a.(-2,1) b. (-1,0) c. (0,1) d. (-2,3)

If z^3+(3+2i)z+(-1+i a)=0 has one real root, then the value of a lies in the interval (a in R) a. (-2,1) b. (-1,0) c. (0,1) d. (-2,3)

If the equation x^4- λx^2+9=0 has four real and distinct roots, then lamda lies in the interval

If the equation x^4- λx^2+9=0 has four real and distinct roots, then lamda lies in the interval

If the equation x^4- λx^2+9=0 has four real and distinct roots, then lamda lies in the interval