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प्रश्न
Factorise: 1 - 100a2
योग
उत्तर
1 - 100a2
= = (1)2 – (10a)2
= (1 + 10a) (1 – 10a) ...[a2 – b2 = (a + b) (a – b)]
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Factorisation by Difference of Two Squares
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