allerya # b = a² − b ही क्रिया दिलेली आहे, आणि x # 3 = 13 आहे. धन x ची किंमत शोधा.
A5
B4
C3
D6
Answer & Solution
Correct answer: B. 4
x² − 3 = 13 वरून x² = 16 मिळते, म्हणून x = 4.
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