Question

If p = -2, q=-1 and r= 3, find the value of p² + q² - r². ​

Answer 1

Answer:

Step-by-step explanation:

Given:

p= -2

q= -1

r=3

Solution:

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

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

=4+1-9

=5-9

= -4 (ans)

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