यदि \(a_1=1,\ b_1=2,\ c_1=5\) और \(a_2=2,\ b_2=4,\ c_2=7\), तो सही निष्कर्ष क्या है?
If \(a_1=1,\ b_1=2,\ c_1=5\) and \(a_2=2,\ b_2=4,\ c_2=7\), what is the correct conclusion?
Explanation opens after your attempt
C. रेखाएँ समांतर हैंLines are parallel
Concept
\(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{1}{2}\), but \(\frac{c_1}{c_2}=\frac{5}{7}\). Hence the lines are parallel and inconsistent.
Why this answer is correct
The correct answer is C. रेखाएँ समांतर हैं / Lines are parallel. \(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{1}{2}\), but \(\frac{c_1}{c_2}=\frac{5}{7}\). Hence the lines are parallel and inconsistent.
Exam Tip
\(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{1}{2}\), लेकिन \(\frac{c_1}{c_2}=\frac{5}{7}\)। इसलिए रेखाएँ समांतर और असंगत हैं।
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