Solve the equation 2). find the value of p³q³ - 9p²q² + 20pq for p =3 , q = 1.
p
please answer this fast
Answers
Answered by
1
Answer:
-12
Step-by-step explanation:
(3)²(1)²-9(3)²(1)²+20(3)(1)
9-81+60
-12
Answered by
0
Answer:
p³q³ - 9p²q² + 20pq
=(pq)^3-(3pq)²+ 20.3.1
= 27-81+60
=54+60
=114
The answer is 114
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