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Question
अवयव पाडा.
24a3 + 81b3
Sum
Solution
24a3 + 81b3
= 3 (8a3 + 27b3)
= 3 ((2a3) + (3b)3)
आपणांस माहीत आहे की,
a3 + b3 = (a + b) (a2 − ab + b2)
= 3 (2a + 3b) ((2a)2 − 2a × 3b + (3b)2)
= 3 (2a + 3b) (4a2 − 6ab + 9b2)
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