3us a root ofx^2+kx-24=0 then show that it is also a root of x^2-kx+6=0
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If 3 is a root, then
3^2 + 3k -24 = 0
k=5
Therefore, 2nd eq. becomes
x^2 -x(5) + 6 = 0
for which 3 is an obvious root.
3^2 + 3k -24 = 0
k=5
Therefore, 2nd eq. becomes
x^2 -x(5) + 6 = 0
for which 3 is an obvious root.
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