समीकरण \(x^2+14x+49=0\) के लिए सही उत्तर चुनिए।
Choose the correct answer for \(x^2+14x+49=0\).
Explanation opens after your attempt
Correct Answer
A. दो वास्तविक और समानtwo real and equal
Concept
(D=142-4(1)(49)=0). Hence the roots are equal and real.
Why this answer is correct
The correct answer is A. दो वास्तविक और समान / two real and equal. (D=142-4(1)(49)=0). Hence the roots are equal and real.
Exam Tip
(D=142-4(1)(49)=0) है। अतः मूल समान वास्तविक हैं।
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