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प्रश्न
Expand (4p - 5q)3
योग
उत्तर
(4p - 5q)3 = (4p)3 - 3(4p)2(5q) + 3(4p)(5q)2 - (5q)3.
(4p - 5q)3 = 64p3 - 240p2q + 300pq2 - 125q3.
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Expand (4p - 5q)3
(4p - 5q)3 = (4p)3 - 3(4p)2(5q) + 3(4p)(5q)2 - (5q)3.
(4p - 5q)3 = 64p3 - 240p2q + 300pq2 - 125q3.