समीकरणों (5x+2y=18) और (15x+ay=54) के अनंत हल होने के लिए (a) का मान क्या होगा?
What is the value of (a) for the equations (5x+2y=18) and (15x+ay=54) to have infinitely many solutions?
Explanation opens after your attempt
C. (6)
Concept
For infinitely many solutions, (5/15=2/a=18/54) must hold. Therefore, (a=6) is correct.
Why this answer is correct
The correct answer is C. (6). For infinitely many solutions, (5/15=2/a=18/54) must hold. Therefore, (a=6) is correct.
Exam Tip
अनंत हल के लिए (5/15=2/a=18/54) होना चाहिए। इसलिए (a=6) सही है।
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