यदि ((r-2)x-7+(r-2)x-3+8) की डिग्री (0) है, तो (r) का मान क्या है?

If the degree of ((r-2)x-7+(r-2)x-3+8) is (0), what is the value of (r)?

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

A. (r=2)

Step 1

Concept

For degree (0), both variable terms must vanish. From (r-2=0), we get (r=2).

Step 2

Why this answer is correct

The correct answer is A. (r=2). For degree (0), both variable terms must vanish. From (r-2=0), we get (r=2).

Step 3

Exam Tip

डिग्री (0) के लिए दोनों चर पद हटने चाहिए। (r-2=0) से (r=2) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि ((r-2)x-7+(r-2)x-3+8) की डिग्री (0) है, तो (r) का मान क्या है? / If the degree of ((r-2)x-7+(r-2)x-3+8) is (0), what is the value of (r)?

Correct Answer: A. (r=2). Explanation: डिग्री (0) के लिए दोनों चर पद हटने चाहिए। (r-2=0) से (r=2) मिलता है। / For degree (0), both variable terms must vanish. From (r-2=0), we get (r=2).

Which concept should I revise for this Mathematics MCQ?

For degree (0), both variable terms must vanish. From (r-2=0), we get (r=2).

What exam hint can help solve this Mathematics question?

डिग्री (0) के लिए दोनों चर पद हटने चाहिए। (r-2=0) से (r=2) मिलता है।