यदि \(u-8, u-2, u+4,\ldots\) अंकगणितीय श्रेणी है, तो (d) क्या है?
If \(u-8, u-2, u+4,\ldots\) is an arithmetic progression, what is (d)?
Explanation opens after your attempt
B. (6)
Concept
((u-2)-(u-8)=6) and ((u+4)-(u-2)=6). When variables cancel, a constant common difference remains.
Why this answer is correct
The correct answer is B. (6). ((u-2)-(u-8)=6) and ((u+4)-(u-2)=6). When variables cancel, a constant common difference remains.
Exam Tip
((u-2)-(u-8)=6) और ((u+4)-(u-2)=6) है। चर कटने पर स्थिर सार्व अंतर मिलता है।
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