find the value of k for which 3x2 + 2x + k = 0 has real roots?

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  • -5

 d>>o use this formula

  • 2

 if the equation should have real roots then b2 - 4ac  ≥ 0

a = 3, b = 2, c = k

then, (2)2 - 4(3)(k)≥0

4 - 12k ≥ 0

4 ≥ 12k

1/3 ≥ k

so the value of k can be any value less than or equal to 1/3.......

  • 13
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