Question

If p+q=10 and p

2+q2=58, find the value of p3+q3

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Answer 1

Answer:

If p - q = 3 and p2+q2=29 , find the value of pq.?

p-q=3

Squaring on both sides, we get

p2+q2-2pq=9

Since it is given that,

p2+q2=29

So on putting value,

29-2pq = 9

2pq = 20

pq = 10

Answer 2

(p^3+q^3) = 565.51

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