समीकरण (5x+2y=9) और (10x+by=18) के अनंत हल होने के लिए (b) का मान क्या है?
What is the value of (b) for (5x+2y=9) and (10x+by=18) to have infinitely many solutions?
Explanation opens after your attempt
C. (4)
Concept
Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).
Why this answer is correct
The correct answer is C. (4). Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).
Exam Tip
यहां (5/10=9/18=1/2) इसलिए (2/b=1/2) होगा। इससे (b=4) मिलता है।
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