किस समीकरण के दो वास्तविक और असमान मूल होंगे?
Which equation will have two real and distinct roots?
Explanation opens after your attempt
A. \(x^2-7x+10=0\)
Concept
For the first equation, (D=(-7)2-4(1)(10)=9>0). Hence its roots are real and distinct.
Why this answer is correct
The correct answer is A. \(x^2-7x+10=0\). For the first equation, (D=(-7)2-4(1)(10)=9>0). Hence its roots are real and distinct.
Exam Tip
पहले समीकरण में (D=(-7)2-4(1)(10)=9>0) है। इसलिए उसके मूल वास्तविक और असमान हैं।
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