Question:
दिया गया समीकरण क के मान ज्ञात करें: \( kx^2 - 7x + 12 = 0 \) या समीकरण में एक मूल 3 है, तो \( k = \) ..............
दिया गया समीकरण क के मान ज्ञात करें: \( kx^2 - 7x + 12 = 0 \) या समीकरण में एक मूल 3 है, तो \( k = \) ..............
Updated On: Nov 6, 2025
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Solution and Explanation
समीकरण \( kx^2 - 7x + 12 = 0 \) है और हमें यह दिया गया है कि इसका एक मूल 3 है। इसे हल करने के लिए हम x = 3 को समीकरण में रखें: \[ k(3)^2 - 7(3) + 12 = 0 \] \[ 9k - 21 + 12 = 0 \] \[ 9k - 9 = 0 \] \[ 9k = 9 \] \[ k = 1 \] तो, \( k = 3 \) है।
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