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प्रश्न
Factorise:
27m3 − 216n3
बेरीज
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उत्तर १
27m3 − 216n3
= 27 (m3 − 8n3)
= 27 (m3 − 2n3)
= 27 (m − 2n) (m2 + m × 2n + 2n2)
= 27 (m − 2n) (m2 + 2mn + 4n2)
shaalaa.com
उत्तर २
27m3 − 216n3
= 33m3 − 63n3
= (3m)3 − (6n)3
= (3m − 6n) [(3m2) + 3m.6n + (6n)2]
= (3m − 6n) (9m2 + 18mn + 36n2)
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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