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Question
Factorize the following expressions:
10x4y – 10xy4
Solution
10x4y - 10xy4
= 10xy (x3 - y3)
= 10xy( x - y )(x2 + xy + y2 ) [∵ a3 - b3 = (a - b)(a2 + ab + b2)]
∴ 10x4 y -10xy4 = 10xy ( x - y )(x2 + xy + y2)
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