allerya # b = a² − b প্ৰক্ৰিয়াটো দিয়া হৈছে, আৰু x # 3 = 13। ধনাত্মক x ৰ মান নিৰ্ণয় কৰক।
A5
B4
C3
D6
Answer & Solution
Correct answer: B. 4
x² − 3 = 13 ৰ পৰা পোৱা যায় x² = 16, গতিকে x = 4।
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