यदि (5, 5+d, 5+2d) के पद (5, -1, -7) बनते हैं, तो (d) क्या है?
If the terms (5, 5+d, 5+2d) become (5, -1, -7), what is (d)?
Explanation opens after your attempt
B. (-6)
Concept
From (5+d=-1), (d=-6), and (5+2d=-7) confirms it. Match the general form with the given terms.
Why this answer is correct
The correct answer is B. (-6). From (5+d=-1), (d=-6), and (5+2d=-7) confirms it. Match the general form with the given terms.
Exam Tip
(5+d=-1) से (d=-6), और (5+2d=-7) से भी यही सत्य होता है। सामान्य रूप को दिए पदों से मिलाएं।
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