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
Correct Answer

D. एक अद्वितीय हलOne unique solution

Step 1

Concept

Here \(7/5 \ne 2/4\) so the lines meet at one point. One intersection means one unique solution.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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?

Correct Answer: D. एक अद्वितीय हल / One unique solution. Explanation: यहां \(7/5 \ne 2/4\) इसलिए रेखाएं एक बिंदु पर मिलती हैं। एक intersection का अर्थ एक अद्वितीय हल है। / Here \(7/5 \ne 2/4\) so the lines meet at one point. One intersection means one unique solution.

Which concept should I revise for this Mathematics MCQ?

Here \(7/5 \ne 2/4\) so the lines meet at one point. One intersection means one unique solution.

What exam hint can help solve this Mathematics question?

यहां \(7/5 \ne 2/4\) इसलिए रेखाएं एक बिंदु पर मिलती हैं। एक intersection का अर्थ एक अद्वितीय हल है।