समीकरण \(5x^2-2x+9=0\) में (a) का मान क्या है?
What is the value of (a) in the equation \(5x^2-2x+9=0\)?
Explanation opens after your attempt
A. (5)
Concept
In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). Here (a=5).
Why this answer is correct
The correct answer is A. (5). In \(ax^2+bx+c=0\), (a) is the coefficient of \(x^2\). Here (a=5).
Exam Tip
मानक रूप \(ax^2+bx+c=0\) में (a) \(x^2\) का गुणांक होता है। यहां (a=5) है।
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