First slide

Theory of expressions

Question

If x be real, the least value of $x^{2} - 6 x + 10$ is

Moderate

A

1
B

2
C

3
D

10

Solution

If $x^{2} - 6 x + 10 = {(x - 3)}^{2} + 1$
For real x, least value of ${(x - 3)}^{2} + 1$ is 1.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App