यदि समीकरण (x-2-2(m+1)x+\(m^2+2m\)=0) के मूल बराबर हैं तो (m) का मान क्या है?

If roots of (x-2-2(m+1)x+\(m^2+2m\)=0) are equal, what is the value of (m)?

Explanation opens after your attempt
Correct Answer

A. हर वास्तविक (m)Every real (m)

Step 1

Concept

Here (D=4(m+1)2-4\(m^2+2m\)=4). Therefore the roots cannot be equal.

Step 2

Why this answer is correct

The correct answer is A. हर वास्तविक (m) / Every real (m). Here (D=4(m+1)2-4\(m^2+2m\)=4). Therefore the roots cannot be equal.

Step 3

Exam Tip

यहां (D=4(m+1)2-4\(m^2+2m\)=4) है। इसलिए मूल बराबर नहीं हो सकते।

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Mathematics Answer, Explanation and Revision Hints

यदि समीकरण (x-2-2(m+1)x+\(m^2+2m\)=0) के मूल बराबर हैं तो (m) का मान क्या है? / If roots of (x-2-2(m+1)x+\(m^2+2m\)=0) are equal, what is the value of (m)?

Correct Answer: A. हर वास्तविक (m) / Every real (m). Explanation: यहां (D=4(m+1)2-4\(m^2+2m\)=4) है। इसलिए मूल बराबर नहीं हो सकते। / Here (D=4(m+1)2-4\(m^2+2m\)=4). Therefore the roots cannot be equal.

Which concept should I revise for this Mathematics MCQ?

Here (D=4(m+1)2-4\(m^2+2m\)=4). Therefore the roots cannot be equal.

What exam hint can help solve this Mathematics question?

यहां (D=4(m+1)2-4\(m^2+2m\)=4) है। इसलिए मूल बराबर नहीं हो सकते।