(45)3 - (25)3 solve using identity
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Answer:
first u need,to take the similar identity
so 3is ×45 and 25
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(45)³ - (25)³
Identity used
a³ – b³ = (a – b) (a² + ab + b²)
(45)³ - (25)³
(45 - 25)(45² + 45*25 + 25²)
20 (2025 + 1125 + 625)
20 × 3775
75500
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