allerya # b = a² − b என்ற செயல்பாடு கொடுக்கப்பட்டுள்ளது, மேலும் x # 3 = 13 எனில், மிகை மதிப்புடைய x-ஐக் காண்க.
A5
B4
C3
D6
Answer & Solution
Correct answer: B. 4
x² − 3 = 13 என்பதிலிருந்து x² = 16 கிடைக்கும், எனவே x = 4.
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