if p = -2, q = -1 and r = 3, find the value of
p² + q² - r²
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Answered by
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
0
p= -2
q= -1
r=3
p^2+q^2-r^2
=4+1-9
= -4
q= -1
r=3
p^2+q^2-r^2
=4+1-9
= -4
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