समीकरण (5x+4y=18) और (10x+8y=k) के अनंत हल होने के लिए (k) का मान क्या होगा?
What is the value of (k) for (5x+4y=18) and (10x+8y=k) to have infinitely many solutions?
Explanation opens after your attempt
B. (36)
Concept
The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.
Why this answer is correct
The correct answer is B. (36). The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.
Exam Tip
दूसरा समीकरण पहले का (2) गुना होना चाहिए, इसलिए (k=36)। अनंत हल के लिए तीनों अनुपात बराबर रखें।
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