find the value of k .. If one root of x2 - 6k x + 5 = 0 is 5, then find the value of k
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p (x) = x^2 - 6kx + 5
one root is 5
so p (5) = 0
5^2 - 6 × 5 ×k +5 = 0
25 - 30k +5 = 0
-30k + 30 = 0
-30k = 30
k = 30 / -30
k = - 1
one root is 5
so p (5) = 0
5^2 - 6 × 5 ×k +5 = 0
25 - 30k +5 = 0
-30k + 30 = 0
-30k = 30
k = 30 / -30
k = - 1
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