Math, asked by sweetykaid6363, 9 months ago

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

Answers

Answered by rekhaagarwal49472
3

Answer:

Given,

p=(-2)

q=(-1)

r=3

according to question,

P2 + q2 - R2

= (-2)×(-2)+(-1)×(-1)-3×3

= 4 + 1 - 9

= 5-9

= -4.

Answered by Jai0917
0
p= -2
q= -1
r=3
p^2+q^2-r^2
=4+1-9
= -4
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