\(3x^2+kx+12\) में यदि गुणनखंड ((3x+4)(x+3)) हैं, तो (k) का मान क्या है?
In \(3x^2+kx+12\), if the factors are ((3x+4)(x+3)), what is the value of (k)?
Explanation opens after your attempt
C. (13)
Concept
((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12). In exams, add the cross terms.
Why this answer is correct
The correct answer is C. (13). ((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12). In exams, add the cross terms.
Exam Tip
((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12) है। परीक्षा में क्रॉस पदों को जोड़ें।
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