If p = -2 ,q = -1 and r =3
Q.) p² + q² - r²
Answers
Answered by
1
Step-by-step explanation:
according to question
p2+q2-r2
(-2)२+(-1)२-(3)
4+1-3
5-3
2
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Answered by
0
Answer:
-4
Step-by-step explanation:
First we have to substitute the values:
= + -
Then we square all the values:
= 4 + 1 - 9
Then using BODMAS we have to solve it:
= 5 - 9
= -4
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