Math, asked by senthilbanu685, 1 year ago

Factorise completely 2a2b2-98b4

Answers

Answered by mysticd

3

Solution :

2a²b² - 98b⁴

= 2b²(a² - 49b²)

= 2b²[ a² - ( 7b )² ]

= 2b²( a + 7b )( a - 7b )

••••

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