Grade 10Algebra
For what value of k , x=a is a solution of an equation x^2-(a+b)x+k=0?
1 Answer
Vikas TU
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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