\(3x^2+kx+12\) 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)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (13)

Step 1

Concept

((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12). In exams, add the cross terms.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

\(3x^2+kx+12\) 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)?

Correct Answer: C. (13). Explanation: ((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12) है। परीक्षा में क्रॉस पदों को जोड़ें। / ((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12). In exams, add the cross terms.

Which concept should I revise for this Mathematics MCQ?

((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12). In exams, add the cross terms.

What exam hint can help solve this Mathematics question?

((3x+4)(x+3)=3x-2+9x+4x+12=3x-2+13x+12) है। परीक्षा में क्रॉस पदों को जोड़ें।