find the value? please slove this question step by step.

Asked by z.h.mohammed | 8th Oct, 2009, 04:42: PM

Expert Answer:

p3-q3 = (p-q)(p2+pq+q2)

    =(p-q)(p2- 2pq+q2 +3pq)

    = (p-q)[(p-q)2+3pq]

    =(10/9)[(10/9)2+3(5/3)]

    =5050/729.

q = 5/(3p)

p - 5/(3p) = 10/9

9p2 - 10p - 15 = 0

p = (10±810)/18; Hence q = 90/(30±2410)

Regards,

Team,

TopperLearning.

 

Answered by  | 8th Oct, 2009, 09:34: PM

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