ग्राफ \(y=x^2\) और (y=2x+3) के प्रतिच्छेदों के (x)-मान कौन-से हैं?
What are the (x)-values of intersection of the graphs \(y=x^2\) and (y=2x+3)?
Explanation opens after your attempt
A. (x=-1) और (x=3)(x=-1) and (x=3)
Concept
Equating gives \(x^2=2x+3\), that is \(x^2-2x-3=0\). In exams, set the two (y)-values equal for intersections.
Why this answer is correct
The correct answer is A. (x=-1) और (x=3) / (x=-1) and (x=3). Equating gives \(x^2=2x+3\), that is \(x^2-2x-3=0\). In exams, set the two (y)-values equal for intersections.
Exam Tip
समान करने पर \(x^2=2x+3\) यानी \(x^2-2x-3=0\) मिलता है। परीक्षा में प्रतिच्छेद के लिए दोनों (y)-मान बराबर रखें।
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