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
Correct Answer

C. (4)

Step 1

Concept

Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).

Step 2

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).

Step 3

Exam Tip

यहां (5/10=9/18=1/2) इसलिए (2/b=1/2) होगा। इससे (b=4) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

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?

Correct Answer: C. (4). Explanation: यहां (5/10=9/18=1/2) इसलिए (2/b=1/2) होगा। इससे (b=4) मिलता है। / Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).

Which concept should I revise for this Mathematics MCQ?

Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).

What exam hint can help solve this Mathematics question?

यहां (5/10=9/18=1/2) इसलिए (2/b=1/2) होगा। इससे (b=4) मिलता है।