Question

if p = -2, q = -1 and r = 3, find the value of p3 + q3 + r3 + 3pqr​

Answer 1

Answer:

Step-by-step explanation:

p = -2

-2 x - 2 x -2 = -8

q = -1

-1 x -1 x -1 = - 1

r = 3

3 x 3 x 3 = 27

-8 - 1 + 27

-9 + 27

= 18 + 3pqr

3 x -2 x -1 x 3

3 x 2 x 3 = 18

18 + 18 = 36

Answer 2

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