यदि (D=-(b+3)2) है, तो समान वास्तविक मूल कब होंगे?

If (D=-(b+3)2), when will the roots be real and equal?

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

A. (b=-3)

Step 1

Concept

For real and equal roots, (D=0) is needed. From (-(b+3)2=0), we get (b=-3).

Step 2

Why this answer is correct

The correct answer is A. (b=-3). For real and equal roots, (D=0) is needed. From (-(b+3)2=0), we get (b=-3).

Step 3

Exam Tip

समान वास्तविक मूलों के लिए (D=0) चाहिए। (-(b+3)2=0) से (b=-3) मिलता है।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (D=-(b+3)2) है, तो समान वास्तविक मूल कब होंगे? / If (D=-(b+3)2), when will the roots be real and equal?

Correct Answer: A. (b=-3). Explanation: समान वास्तविक मूलों के लिए (D=0) चाहिए। (-(b+3)2=0) से (b=-3) मिलता है। / For real and equal roots, (D=0) is needed. From (-(b+3)2=0), we get (b=-3).

Which concept should I revise for this Mathematics MCQ?

For real and equal roots, (D=0) is needed. From (-(b+3)2=0), we get (b=-3).

What exam hint can help solve this Mathematics question?

समान वास्तविक मूलों के लिए (D=0) चाहिए। (-(b+3)2=0) से (b=-3) मिलता है।