Factorise:2a³b⁴-98ab²
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Answered by
1
Answer:
2ab^2(a^2b^2-49)
............
Answered by
1
2ab² ( a²b² _ 49 )
2ab² [ ( ab)² _7²] .......using a² _ b²
2ab² [ ( ab _7) (ab +7) ]
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