Question

If p = -2 ,q = -1 and r =3

Q) p + q + r​

Answer 1

Step-by-step explanation:

p + q + r

= -2 + (-1) + 3 [ Putting p= -2 & q= -1 & r= 3 ]

= -2 - 1 + 3

= -3 + 3

= 0

So the answer is '0' ...

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Answer 2

Answer:

-4

Step-by-step explanation:

First we have to substitute the values:

= ( -2)² + (-1)² - 3²

Then we square all the values:

= 4 + 1 - 9

Then using BODMAS we have to solve it:

= 5 - 9

= -4