फलन (f(x)=x-2+4x+1) के ग्राफ की सममिति अक्ष क्या है?
What is the axis of symmetry of the graph of (f(x)=x-2+4x+1)?
Explanation opens after your attempt
A. (x=-2)
Concept
The axis of symmetry is \(x=-\frac{b}{2a}=-\frac{4}{2}=-2\). In exams, use the formula for the axis of a quadratic graph.
Why this answer is correct
The correct answer is A. (x=-2). The axis of symmetry is \(x=-\frac{b}{2a}=-\frac{4}{2}=-2\). In exams, use the formula for the axis of a quadratic graph.
Exam Tip
सममिति अक्ष \(x=-\frac{b}{2a}=-\frac{4}{2}=-2\) है। परीक्षा में द्विघात ग्राफ की अक्ष सूत्र से निकालें।
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