समीकरणों (ax+4y=10) और (3x+6y=15) के अनंत हल होने के लिए (a) का मान क्या है?
What is the value of (a) for (ax+4y=10) and (3x+6y=15) to have infinitely many solutions?
Explanation opens after your attempt
B. (a=2)
Concept
For infinitely many solutions, coefficients and constants must be in the same ratio. Since (4:6=10:15=2:3), (a=2).
Why this answer is correct
The correct answer is B. (a=2). For infinitely many solutions, coefficients and constants must be in the same ratio. Since (4:6=10:15=2:3), (a=2).
Exam Tip
अनंत हल के लिए गुणांक और स्थिरांक समान अनुपात में होने चाहिए। (4:6=10:15=2:3), इसलिए (a=2)।
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