If c and k are the roots of 6 - x - x2 0 find c... - WAEC Mathematics 2009 Question
If c and k are the roots of 6 - x - x2 = 0, find c + k
A
2
B
1
C
-1
D
-3
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Correct Option: C
6 - x - x2 = 0
a = -1; b = -1; c = 6
Sum of roots = c + k = -(\frac{-b}{a})
= (\frac{-(-1)}{-1})
= -1
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