यदि (4x+3y=p) और (8x+6y=42) की रेखाएं अनंत समाधान देती हैं, तो (p) क्या है?
If (4x+3y=p) and (8x+6y=42) give infinitely many solutions, what is (p)?
Explanation opens after your attempt
C. (21)
Concept
For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).
Why this answer is correct
The correct answer is C. (21). For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).
Exam Tip
अनंत समाधान के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। इसलिए (2p=42) और (p=21)।
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