For what value of k , x=a is a solution of an equation x^2-(a+b)x+k=0?
gayathri , 8 Years ago
Grade 10
Algebra> For what value of k , x=a is a solution o...
1 AnswersVikas TU
Last Activity: 8 Years ago
If x=a is a solution of an equation x^2-(a+b)x+k=0
then it must satify the eqn.
Hence at x = a we get,
a^2 – a^2 – ab + k = 0
k = ab
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