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07-12-2020
Mathematics

contestada

if p =-2 ,q= -1 and r=3
find the value of . -
(1), p ²+ q²- r²

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yasmitadp yasmitadp

07-12-2020

Answer:

Step-by-step explanation:

[tex](-2)^{2} + (-1)^{2} - (3^{2} )\\4 + 1 -9\\-4[/tex]

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