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Polynomials : please give a step by step solution

Asked by jayantkaushik 6th September 2009, 9:17 PM
Answered by Expert
Answer:

6x3-11x2 = kx -20

x = 4/3

6(4/3)3-11(4/3)2 = k(4/3) -20

6(64/27) - 11(16/9) = k(4/3) - 20

6(64/27) - 11(3)(16/27) = k(4/3) - 20

(384 - 528)/27  = k(4/3) - 20

-144/27 = k(4/3) - 20

k =  11

Regards,

Team,

TopperLearning.

 

Answered by Expert 6th September 2009, 9:51 PM
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