CBSE Class 9 Answered
pls answer
Asked by nmenghani | 04 Apr, 2010, 03:29: PM
Expert Answer
1. 27x3-54x3y+36xy3-743 = 27 x3 - 743 -18 xy(3x2-2y2)
2. x2+1/x2-3 = x2+1/x2-2-1 = (x+1/x)2-1 = (x+1/x-1)(x+1/x+1)
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Answered by | 05 Apr, 2010, 10:27: AM
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