यदि ( (x-4)(x+k)=x-2+3x-28 ) है तो (k) का मान क्या है?

If ( (x-4)(x+k)=x-2+3x-28 ), what is the value of (k)?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

The constant term (-4k=-28) gives (k=7), and the middle term also becomes (3x). Exam tip: verify using both conditions.

Step 2

Why this answer is correct

The correct answer is C. (7). The constant term (-4k=-28) gives (k=7), and the middle term also becomes (3x). Exam tip: verify using both conditions.

Step 3

Exam Tip

स्थिर पद (-4k=-28) से (k=7) मिलता है और मध्य पद भी (3x) बनता है। परीक्षा में दोनों शर्तों से जाँच करें।

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Mathematics Answer, Explanation and Revision Hints

यदि ( (x-4)(x+k)=x-2+3x-28 ) है तो (k) का मान क्या है? / If ( (x-4)(x+k)=x-2+3x-28 ), what is the value of (k)?

Correct Answer: C. (7). Explanation: स्थिर पद (-4k=-28) से (k=7) मिलता है और मध्य पद भी (3x) बनता है। परीक्षा में दोनों शर्तों से जाँच करें। / The constant term (-4k=-28) gives (k=7), and the middle term also becomes (3x). Exam tip: verify using both conditions.

Which concept should I revise for this Mathematics MCQ?

The constant term (-4k=-28) gives (k=7), and the middle term also becomes (3x). Exam tip: verify using both conditions.

What exam hint can help solve this Mathematics question?

स्थिर पद (-4k=-28) से (k=7) मिलता है और मध्य पद भी (3x) बनता है। परीक्षा में दोनों शर्तों से जाँच करें।

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