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How many intersection points do the graphs (y=x^2) and (y=2x+3) have?ग्राफ (y=x^2) और (y=2x+3) के प्रतिच्छेद बिंदुओं की संख्या कितनी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (2)(2)
Solving (x^2=2x+3) gives (x^2-2x-3=0), which has two real roots. Intersections equal the number of real solutions.(x^2=2x+3) से (x^2-2x-3=0), जिसके दो वास्तविक मूल हैं। प्रतिच्छेदों की संख्या समीकरण के वास्तविक हलों से मिलती है।
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