if x=9is one of the root of the quadratic equations X2 - 11x+k=0 then find the value of k
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Answer:
k=18
Step-by-step explanation:
Given quadratic equation is x2-11x+k=0
One root is 9
Putting x=9 in the given equation,
x2-11x+k=0
(9)*(9) -11(9)+k=0
81-99+k=0
-18+k=0
k=18
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Answer:
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