কোন শর্তে loga¹ = 0 ?
A a > 0, a ≠ 1
B a ≠ 0 , a > 1
C a > 0 , a = 1
D a ≠ 1, a < 0
Correct Answer: Option A
log 1/a = 0 হবে যখন, a > 0 এবং a ≠ 1 (স্বতঃসিদ্ধ ) ।
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