Solve the following questions. (Any Two)
1) If x = 5 is a root of equation kr? – 14x – 5 = 0 then
find the value of k
solution one of the roots of equation kr2 – 14x -5 = 0 is
let x = 5
k( – 14 (5) – 5 = 0
.. 25k – 70 – 5 = 0
… 25k –
I = 0
25k =
…
k=
Answer:
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