Pls explain in detail

Asked by Nidhi Munshi | 15th Apr, 2013, 06:02: PM

Expert Answer:

Using the remainder therorem
 
Since, 1 is the zero of P(a), hence P(1) = 0
Hence, P(1) = x^2 -2x+3x-2 = 0
x^2+x-2 = 0
(x-1) (x+2) = 0
Hence, x = 1 or x=-2

Answered by  | 16th Apr, 2013, 05:53: AM

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