factorize 3a3b - 243ab3
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Answered by
77
3a³b-243ab³
3ab(a²-81b²)
=3ab(a²-(9b)²)
=3ab(a-9b)(a+9b)
hope helped !^^
3ab(a²-81b²)
=3ab(a²-(9b)²)
=3ab(a-9b)(a+9b)
hope helped !^^
Answered by
22
@
3a³b - 243ab³
=> 3ab ( a²-81b² )
=> 3ab [ (a)²-(9b)² ]
=> 3ab ( a+9b ) ( a-9b ) Ans
@:-)
3a³b - 243ab³
=> 3ab ( a²-81b² )
=> 3ab [ (a)²-(9b)² ]
=> 3ab ( a+9b ) ( a-9b ) Ans
@:-)
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