\(k\) āĻāϰ āϕ⧋āύ āĻŽāĻžāύ/ āĻŽāĻžāύāϗ⧁āϞāĻŋāϰ āϜāĻ¨ā§āϝ \(3x^2-5x+2k=0\) āĻĻā§āĻŦāĻŋāϘāĻžāϤ āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āĻŦāĻžāĻ¸ā§āϤāĻŦ āĻ“ āϏāĻŽāĻžāύ āĻŦā§€āϜ āĻĨāĻžāĻ•āĻŦ⧇ āĻšāĻŋāϏāĻžāĻŦ āĻ•āϰ
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\(3x^2-5x+2k=0\) āϏāĻŽā§€āĻ•āϰāύāϟāĻŋāϕ⧇ \(ax^2+ bx+c=0\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āϏāĻžāĻĨ⧇ āϤ⧁āϞāύāĻž āĻ•āϰ⧇ āĻĒāĻžāχ,
\(a=3,b=-5\) āĻāĻŦāĻ‚ \(c=2k\)

āϝ⧇āĻšā§‡āϤ⧁ āĻŦā§€āϜāĻĻā§āĻŦ⧟ āĻŦāĻžāĻ¸ā§āϤāĻŦ āĻ“ āϏāĻŽāĻžāύ,
∴āύāĻŋāϰ⧂āĻĒāĻ• \(=0\)

āϏ⧁āϤāϰāĻžāĻ‚, \(b^2-4ac=0 \)
āĻ…āĻ°ā§āĻĨāĻžā§Ž, \((-5)^2-4×3×2k=0 \)
āĻŦāĻž, \(25-24k=0 \)
āĻŦāĻž, \(24k=25\)
\(∴k=\cfrac{25}{24}\)

\(∴k=\cfrac{25}{24}\) āĻāϰ āϜāĻ¨ā§āϝ āĻĒā§āϰāĻĻāĻ¤ā§āϤ āĻĻā§āĻŦāĻŋāϘāĻžāϤ āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āĻŦā§€āϜāĻĻā§āĻŦ⧟ āĻŦāĻžāĻ¸ā§āϤāĻŦ āĻ“ āϏāĻŽāĻžāύ āĻšāĻŦ⧇ āĨ¤

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