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FIND the value of p³-q³ if p-q=10 and pq=7

User Cgrim
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2 Answers

1 vote

Answer: it is close to the number 25 i think i think i think i think

Explanation:

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User Thibaud Clement
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4 votes

Answer:

Hello,

Explanation:


p-q=10\\(p-q)^2=100=p^2+q^2-2pq\ \Longrightarrow\ p^2+q^2=100+2*7=114\\\\p^3-q^3=(p-q)(p^2+pq+q^2)=10*(114+7)=10*121=1210\\

User Jaredready
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