Question

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

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Answer 1

Answer:

here is your answer

Step-by-step explanation:

(-2×3)+(-1×3)+(3×3)+3×(-2)×(-1)×3

-6+(-1)+9+18

-6-1+9+18

-7+27

20

Answer 2

Step-by-step explanation:

we first substitute the values

(-3) 3 + (-1) 3 + (3) 3+ (3)-2-1+3

-9+-3+9+(-6)+(-3)+9

-5+9+9+9

3+9+9=21