यदि (p(x)=(k+2)x-20) का शून्यक (4) है, तो (k) क्या है?

If the zero of (p(x)=(k+2)x-20) is (4), what is (k)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (3)

Step 1

Concept

From (4(k+2)-20=0), we get (k=3). Substitute the zero into the polynomial and set it to (0).

Step 2

Why this answer is correct

The correct answer is C. (3). From (4(k+2)-20=0), we get (k=3). Substitute the zero into the polynomial and set it to (0).

Step 3

Exam Tip

(4(k+2)-20=0) से (k=3) मिलता है। शून्यक को बहुपद में रखकर (0) करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=(k+2)x-20) का शून्यक (4) है, तो (k) क्या है? / If the zero of (p(x)=(k+2)x-20) is (4), what is (k)?

Correct Answer: C. (3). Explanation: (4(k+2)-20=0) से (k=3) मिलता है। शून्यक को बहुपद में रखकर (0) करें। / From (4(k+2)-20=0), we get (k=3). Substitute the zero into the polynomial and set it to (0).

Which concept should I revise for this Mathematics MCQ?

From (4(k+2)-20=0), we get (k=3). Substitute the zero into the polynomial and set it to (0).

What exam hint can help solve this Mathematics question?

(4(k+2)-20=0) से (k=3) मिलता है। शून्यक को बहुपद में रखकर (0) करें।