CBSE Class 9 Answered
please give a step by step solution---- step by step
Asked by jayantkaushik | 07 Sep, 2009, 08:05: PM
Expert Answer
If x = 4/3 is the root of the equation. Then f(4/3) = 0
f(x) = 6x3 - 11x2+ kx-20
f(4/3) = = 0
6(4/3)3 - 11(4/3)2+ k(4/3) -20 = 0
128/ 9 - 176/9 + 12k/9 - 180/9 = 0
⇒ k = 19
Answered by | 08 Sep, 2009, 09:17: AM
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