CBSE Class 9 Answered
find the value? please slove this question step by step.
Asked by z.h.mohammed | 08 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±8
10)/18; Hence q = 90/(30±2410)
Regards,
Team,
TopperLearning.
Answered by | 08 Oct, 2009, 09:34: PM
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