Answers

2014-02-24T18:55:20+05:30
81x^6 - 25y^10
=(9x^3)^2 - (5y^5)^2

=(9x^3 +
5y^5)(9x^3 - 5y^5)
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2014-02-25T12:26:26+05:30
=(9x3)2-(5y5)2
=(9x3-5y5)(9x3+5y5)
0