p-q=8,and pq=πfind p^3-q^3
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Answer:
512 + 24π or 587.36
Step-by-step explanation:
p³ - q³ = (p-q)(p² + q² + pq)
(8)[ (p-q)² +2pq +pq ]
= (8)[ (8)² + 3pq]
= (8) [64 + 3π ]
= 512 + 24π
= 512 + 24*3.14
= 512 + 75.36
= 587.36
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