Question

the value of p 3-d 3,if p-q=-8,pq=-12​

Answer 1

Answer:

Step-by-step explanation:

given

p-q=-8....(1)

pq=-12...(2)

cubing (1) on both sides

(p-q)^3=(-8)^3

p^3-q^3-3pq(p-q)=-512

p^3-q^3=-512+3pq(p-q)

p^3-q^3=-512+3(-12)(-8)

=-512+3(96)

=-224