Question

find the value of p³ -q³ if. 1) p-q = -8 and pq= -12​

Answer 1

Step-by-step explanation:

hence the answer is 1216

Answer 2

Step-by-step explanation:

(p-q)^3 =p^3 -q^3 -3×p×q(p-q)

(-8)^3 = p^3 -q^3-3×-12(-8)

-512 = p^3 -q^3 -288

p^3-q^3 = -512+288

= -224