Question

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

Answer 1

Answer:

36

Step-by-step explanation:

p^3+q^3+r^3+3pqr

= (-2)^3+(-1)^3+(3)^3+3×(-2)(-1)×3

=(-8)+(-1)+27+18

=(-9)+27+18

=36

If the question is p^3+q^3+r^3-3pqr=?

Then,

The answer of that question might be 0.