Question

if one root of equation is 2 .then find value of k​

Answer 1

-Hey there!

-Here is the answer for your question :

P(x) = 2x² + kx + 6 = 0

Zero given is 2

Therefore,

P(2) = 2(2)² + k(2) + 6 = 0

=> 8 + 2k + 6 = 0

=> 2k = -14

k = -14/2

therefore,

k = -7

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