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प्रश्न
Factorise: a4 - (a2 - 3b2)2
योग
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उत्तर
a4 - (a2 - 3b2)2
= (a2)2 - (a2 - 3b2)2
= (a2 + a2 - 3b2) (a2 - a2 + 3b2)
= (2a2 - 3b2) (3b)2
= 3b2 (2a2 - 3b2)
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Factorisation by Difference of Two Squares
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