آپریشن a # b = a² − b دیا گیا ہے، اور x # 3 = 13۔ مثبت x تلاش کریں۔
A5
B4
C3
D6
Answer & Solution
Correct answer: B. 4
x² − 3 = 13 x² = 16 دیتا ہے، لہذا x = 4۔
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