Challenger App

No.1 PSC Learning App

1M+ Downloads
Find the nature of the roots of x² - 14x + 49 = 0

ADistinct roots

BReal and equal roots

CImaginary roots

DNo real roots

Answer:

B. Real and equal roots

Read Explanation:

b24ac=(14)24×1×49b^2-4ac=(-14)^2-4\times 1\times 49

=196196=0=196-196=0

Real and equal roots


Related Questions:

If a + b = 56 and (a - b)² = 496, find the value of product of a and b.
The dimensions of a cuboid are in the ratio 1:2:3 and its total surface area is 88m². Find the dimensions?
image.png
image.png
image.png