फलन (f(x)=2x-2-12x+7) के ग्राफ की सममिति अक्ष क्या है?
What is the axis of symmetry of the graph of (f(x)=2x-2-12x+7)?
Explanation opens after your attempt
A. (x=3)
Concept
The axis of symmetry is \(x=-\frac{b}{2a}=-\frac{-12}{4}=3\). In exams, use the axis formula for a quadratic graph.
Why this answer is correct
The correct answer is A. (x=3). The axis of symmetry is \(x=-\frac{b}{2a}=-\frac{-12}{4}=3\). In exams, use the axis formula for a quadratic graph.
Exam Tip
सममिति अक्ष \(x=-\frac{b}{2a}=-\frac{-12}{4}=3\) है। परीक्षा में द्विघात ग्राफ की अक्ष सूत्र से निकालें।
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