ICSE Class 10 Answered
if 2x+1 is afactor of 2xsquare +ax -3.find the value of A.
Asked by thabitha fernandez | 10 Dec, 2012, 02:50: PM
Expert Answer
Given, 2x + 1 is a factor of p(x) = 2x2 + ax - 3.
Therefore, p(-1/2) = 0
2(1/4) + a(-1/2) - 3 = 0
1/2 - a/2 - 3 = 0
Now, solve this equation to get the value of a.
Answered by | 11 Dec, 2012, 11:44: AM
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