InterviewSolution
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InterviewSolution
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14. Simplify ( +)3-3-5)' |
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Answer» (x/3+y/5)(x/3+y/5)(x/3+y/5) - (x/3-y/4)(x/3-y/5)(x/3-y/5) = x*x*x/27 + 3x*xy/45 + 3xy*y/75 + y*y*y/125 - (x*x*x/27 - 3x*xy/45 + 3xy*y/75 - y*y*y/125) = x*x*x/27 + x*xy/15 + xy*y/25 + y*y*y/125 - x*x*x/27 + x*xy/15 - xy*y/25 + y*y*y/125 = 2(x*x*x/27 + y*y*y/125) If you find this answer helpful then like it. |
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