समीकरण (7x+2y=3) और (5x+4y=9) में हलों की संख्या क्या होगी?
How many solutions will (7x+2y=3) and (5x+4y=9) have?
Explanation opens after your attempt
D. एक अद्वितीय हलOne unique solution
Concept
Here \(7/5 \ne 2/4\) so the lines meet at one point. One intersection means one unique solution.
Why this answer is correct
The correct answer is D. एक अद्वितीय हल / One unique solution. Here \(7/5 \ne 2/4\) so the lines meet at one point. One intersection means one unique solution.
Exam Tip
यहां \(7/5 \ne 2/4\) इसलिए रेखाएं एक बिंदु पर मिलती हैं। एक intersection का अर्थ एक अद्वितीय हल है।
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