cos(nπ/2) অনুক্রমটির চতুর্থ পদ কোনটি?

A

- 1

B

1

C

1/2

D

0

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Updated: 1 month ago

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x2 - 3x - 10 > 0 অসমতাটির সমাধান কোনটি?

Created: 1 month ago

A

(-∞, -1) U (4, +∞)

B

(-∞, -2) U (5, +∞)

C

(∞, 2) U (5, +∞)

D

(-5, -∞) U (∞, 2)

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 A mixture contains two liquids 'A' and 'B' in the ratio 5 : 3. If 8 litres of the mixture is withdrawn and replaced with 8 litres of 'A', the ratio becomes 2 : 1. What was the initial quantity of 'B'?


Created: 1 month ago

A

45 litres

B

24 litres

C

27 litres

D

32 litres

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Updated: 1 month ago

3.2ⁿ-4.2ⁿ⁻² এর সরলমান নিচের কোনটি?

Created: 3 days ago

A

1

B

2ⁿ⁻¹

C

2ⁿ⁺¹

D

3ⁿ⁻¹

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Updated: 3 days ago

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