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प्रश्न
Simplify:
(3xy − 2ab)3 − (3xy + 2ab)3
सरल रूप दीजिए
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उत्तर
It is known that,
a3 − b3 = (a − b)(a2 + ab + b2)
(3xy − 2ab)3 − (3xy + 2ab)3
= {(3xy − 2ab) − (3xy + 2ab)} {(3xy − 2ab)2 + (3xy + 2ab)(3xy − 2ab) + (3xy + 2ab)2}
= (− 4ab) (9x2y2 + 4a2b2 − 12abxy + 9x2y2 + 4a2b2+ 12abxy + 9x2y2 − 4a2b2)
= (− 4ab)(27x2y2 + 4a2b2)
= − 108x2y2ab − 16a3b3
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
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\[\frac{x^2 - 5x - 24}{\left( x + 3 \right)\left( x + 8 \right)} \times \frac{x^2 - 64}{\left( x - 8 \right)^2}\]
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