Answers

2014-06-07T00:24:50+05:30
P(x)= 2x³ - ax² + 9x - 8 x-3=0 x=3 P(3)=28 2 * 3³ - a*3² + 9*3-8=28 54-9a + 27 - 8 = 28 -9a = 28-54-27+8 -9a = -45 a =45 ÷ 9 a = 5 Therefore, a=5
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