Question

factorise 2a^2b^2-98b^4

Answer 1

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2(a²b²-49b⁴)

2b²[a²-49]

2b²[(a)²-(7)²]

2b²[(a+7)(a-7)]

2b²(a+7)(a-7)


$\red{\underline{Answer}}$

$\pink{\boxed{2b^{2}(a+7)(a-7)}}$

Answer 2

Hi,   Please see the attached file!     Thanks!!