Question

If p=-2 , q=-1 and r=3 find p²+q²+3pqr 

-21
-23
18
23​

Answer 1

put the values in the given equation

4+1+18

answer is 23 i hope you will find it helpful ❤️

Answer 2

Answer:

23 is the answer

Step-by-step explanation:

p² + q² + 3pqr = ( -2)² + (-1)² + 3 (-2) (-1) (3)

= 4 + 1 + 18 = 23