please solve these MCQs with explanation..

Asked by pulkithere1 | 4th Feb, 2011, 10:34: AM

Expert Answer:

Dear Student
Please raise only one question per query
Solution of (i) is as follows:
Given Equation is
so (c) option ie -1 is not a root of the equation

Answered by  | 4th Feb, 2011, 12:02: PM

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