find the value of p^3-q^3 , if p-q = -8 and pq = -12 .
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Answered by
11
Answer:
Step-by-step explanation:
(p-q)^3=p^3-q^3-3pq(p-q)
now by substituting the values
(-8)^3=p^3-q^3-3*(-12)(-8)
-512=p^3-q^3-288
p^3-q^3=-512+288=-224
Answered by
1
Answer:
-224
Step-by-step explanation:
(p-q)^3=p^3-q^3-3pq(p-q)
now by substituting the values
(-8)^3=p^3-q^3-3*(-12)(-8)
-512=p^3-q^3-288
p^3-q^3=-512+288=-224
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