If one root of the equation \( 2 x^{2}+k x+4=0 \) is 2 , then the other root is (a) 6 (b) \( -6 ...

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If one root of the equation \( 2 x^{2}+k x+4=0 \) is 2 , then the other root is
(a) 6
(b) \( -6 \)
(c) \( -1 \)
(d) 1
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