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Factorise : 49a square -225b square

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Factorise : 49a square -225b square

Posted by Tanupreet Kaur 5 years, 2 months ago

CBSE > Class 08 > Mathematics

2 answers

Yogita Ingle 5 years, 2 months ago

a² - b² = (a - b) ( a + b)

49a² - 225 b²

= (7a)² - (15b)²

= (7a - 15b) ( 7a + 15b)

1Thank You

Gunjan Kumari 5 years, 2 months ago

49a square -225 square. 7

1Thank You

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CBSE > Class 08 > Mathematics