If 4p - 5q = 2 and pq = 6 , then find the value of 64p cube - 125q cube .
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Answered by
7
4p-5q = 2
pq= 6
64p³ -125q³
=(4p) ³-(5q) ³
=(4p-5q) ³+3pq(4p-5q)
=2³ + 3× 6 ×2
=8+36
=44
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2
Answer:
728
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