यदि \(2, 5, 8,\ldots\) और \(7, 12, 17,\ldots\) को पद-दर-पद जोड़ा जाए, तो बने अनुक्रम का सार्व अंतर क्या होगा?
If \(2, 5, 8,\ldots\) and \(7, 12, 17,\ldots\) are added term by term, what will be the common difference of the formed sequence?
Explanation opens after your attempt
C. (8)
Concept
The two common differences are (3) and (5), so the sum sequence has (d=3+5=8). In termwise addition, common differences add.
Why this answer is correct
The correct answer is C. (8). The two common differences are (3) and (5), so the sum sequence has (d=3+5=8). In termwise addition, common differences add.
Exam Tip
दोनों सार्व अंतर (3) और (5) हैं, इसलिए योग अनुक्रम का (d=3+5=8)। पद-दर-पद योग में सार्व अंतरों का योग होता है।
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