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Mathematics

Factorise :

25a2 - 9b2

Factorisation

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Answer

Given,

   25a2 - 9b2

= (5a)2 - (3b)2

= (5a + 3b)(5a - 3b)

Hence, 25a2 - 9b2 = (5a + 3b)(5a - 3b).

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