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Find the largest integer k such that the equation 5x^2 - kx + 88 = 0 has no real solutions.

 Jun 21, 2021
 #1
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no real solutions means the discriminant is < 0

 

b^2 - 4ac <0

k^2 - 4(5)(88) <0

k^2 < 1760

k <  41.95      k > -41.95            Largest integer would be 41

 Jun 21, 2021

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