alleryअनंत दशमलव 0.4999... (9 की पुनरावृत्ति) किस सांत दशमलव के बराबर है?
A0.5
B0.49
C0.45
D0.54
Answer & Solution
Correct answer: A. 0.5
माना x = 0.4999..., 10x = 4.999..., 100x = 49.999...। 90x = 45 => x = 45/90 = 0.5।
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