अनुक्रम \(7,-14,28,-56,\ldots\) का सार्व अनुपात क्या है?
What is the common ratio of the sequence \(7,-14,28,-56,\ldots\)?
Explanation opens after your attempt
B. (-2)
Concept
The common ratio is \(\frac{-14}{7}=-2\). A negative ratio changes the signs of terms.
Why this answer is correct
The correct answer is B. (-2). The common ratio is \(\frac{-14}{7}=-2\). A negative ratio changes the signs of terms.
Exam Tip
सार्व अनुपात \(\frac{-14}{7}=-2\) है। ऋणात्मक अनुपात से पदों के चिह्न बदलते हैं।
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