App Logo

No.1 PSC Learning App

1M+ Downloads
If b² - 4ac < 0 then the roots of the quadratic equation are _____

AReal and distinct

BImaginary

CEqual

DRational

Answer:

B. Imaginary

Read Explanation:

If b² - 4ac < 0 then the roots of the quadratic equation are imaginary


Related Questions:

If (m-n)2=64 and mn=180, then (m+n)² is:

(203 + 107)² - (203 - 107)² = ?

If x=31x =\sqrt{3} - 1 and y=3+1y =\sqrt{3}+1 then (x4y4)(x+y)2\frac{(x^4-y^4)}{(x+y)^2} is equal to ?

x, y, z എന്നിവ ഏതെങ്കിലും മൂന്ന് സംഖ്യകളായാൽ, x - y - z നു തുല്യമായത്

If x + y = 11, then (1)x+(1)y(-1)^x + (-1)^y is equal to _____

(where x, y are whole numbers).