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1 . cosn∧-2

A. $- 1$
B. $1$
C. $\frac{1}{2}$
D. $2$

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Answer: Option B

Explanation:

<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>log</mi><mn>2</mn><mo> </mo><mi>log</mi><msqrt><msup><mi>e</mi><mo>∧</mo></msup><mo> </mo><msup><mi>e</mi><mo>∧</mo></msup></msqrt><mo> </mo><mn>2</mn></math>

৪০ তম বিসিএস প্রিলিমিনারি টেস্ট (03-05-2019)

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