If $p=-2,\ q=-1$ and $r=3$, find the value of $p^{2}+q^{2}-r^{2}$.


Given: $p=-2,\ q=-1$ and $r=3$.

To do: To find the value of $p^{2}+q^{2}-r^{2}$.

Solution:

As given, $p=-2,\ q=-1$ and $r=3$

$p^{2}+q^{2}-r^{2}$

$=( -2)^2+( -1)^2-( 3)^2$

$=4+1-9$

$=-4$

Tutorialspoint
Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

73 Views

Kickstart Your Career

Get certified by completing the course

Get Started
Advertisements