Question

If b^2 - 4ac = 81, then nature of

1 point

root is: *

4) If b²-4ac 81, then nature of root is:

(a) Real and equal root

(b) Real, rational, unequal & a perfect square

(c) Imaginary root (d) Real, unequal and irrational root​

Answer 1

Answer:

Nature of the root: (b) Real, rational, unequal & a perfect square

Step-by-step explanation:

As the discriminant is greater than 0 so the root is real and unequal.

81 is a perfect square so it is a rational number