JEE MAIN - Mathematics Hindi (2024 - 9th April Morning Shift - No. 7)
यदि श्रेणी $$\frac{1}{1 \cdot(1+\mathrm{d})}+\frac{1}{(1+\mathrm{d})(1+2 \mathrm{~d})}+\ldots+\frac{1}{(1+9 \mathrm{~d})(1+10 \mathrm{~d})}$$ का योग $$5$$ है, तो $$50 \mathrm{~d}$$ बराबर है :
5
10
15
20
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