rinanzanu2007 rinanzanu2007

24-08-2022
Mathematics

contestada

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

Respuesta :

24-08-2022

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

Step-by-step explanation:

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24-08-2022

Answer:

Hello,

Step-by-step explanation:

[tex]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\\[/tex]

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