यदि (p(x)=(k-4)x+15) का शून्यक (-5) है, तो (k) का मान क्या है?

If the zero of (p(x)=(k-4)x+15) is (-5), what is the value of (k)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (7)

Step 1

Concept

From (-5(k-4)+15=0), we get (k=7). Substitute the zero into the polynomial and set it to (0).

Step 2

Why this answer is correct

The correct answer is C. (7). From (-5(k-4)+15=0), we get (k=7). Substitute the zero into the polynomial and set it to (0).

Step 3

Exam Tip

(-5(k-4)+15=0) से (k=7) मिलता है। शून्यक को बहुपद में रखकर (0) करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=(k-4)x+15) का शून्यक (-5) है, तो (k) का मान क्या है? / If the zero of (p(x)=(k-4)x+15) is (-5), what is the value of (k)?

Correct Answer: C. (7). Explanation: (-5(k-4)+15=0) से (k=7) मिलता है। शून्यक को बहुपद में रखकर (0) करें। / From (-5(k-4)+15=0), we get (k=7). Substitute the zero into the polynomial and set it to (0).

Which concept should I revise for this Mathematics MCQ?

From (-5(k-4)+15=0), we get (k=7). Substitute the zero into the polynomial and set it to (0).

What exam hint can help solve this Mathematics question?

(-5(k-4)+15=0) से (k=7) मिलता है। शून्यक को बहुपद में रखकर (0) करें।