If 4m² + 10mn – 8m + 9n² – 12n = (am + bn)(am + bn – 4), then the value of a³ + b³ is :यदि 4m² + 10mn – 8m + 9n² – 12n = (am + bn)(am + bn – 4), तो a³ + b³ का मान है :
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Correct answer: D. 10
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