यदि \(a_2=14\) और (r=5) है, तो \(a_1+a_3\) का मान क्या है?
If \(a_2=14\) and (r=5), what is the value of \(a_1+a_3\)?
Explanation opens after your attempt
B. \(\frac{364}{5}\)
Concept
\(a_1=\frac{14}{5}\) and \(a_3=70\), so the sum is \(\frac{364}{5}\). Use the ratio both backward and forward.
Why this answer is correct
The correct answer is B. \(\frac{364}{5}\). \(a_1=\frac{14}{5}\) and \(a_3=70\), so the sum is \(\frac{364}{5}\). Use the ratio both backward and forward.
Exam Tip
\(a_1=\frac{14}{5}\) और \(a_3=70\), इसलिए योग \(\frac{364}{5}\) है। आगे और पीछे दोनों दिशा में अनुपात का उपयोग करें।
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