5log105 - log1025 = কত?

A

log10 75

B

log10 25

C

log1015

D

log10125

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প্রশ্ন: 5log105 - log1025 = কত?

সমাধান:
= 5log105 - log1025
= 5log105 - log1052
= 5log105 - 2log105
= 3log105
= log1053
= log10125

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Updated: 1 month ago

Related MCQ

{x - (1/x)}2 = 2 হলে x3 - (1/x)3 এর মান কত? [ x - (1/x) > 0]


Created: 1 month ago

A

3√2


B

5√2


C

6√2


D

9√2


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Updated: 1 month ago

যদি 

Created: 1 month ago

A

486

B

546

C

186

D

246

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Updated: 1 month ago

যদি a + b = 7 এবং a2 + b2 = 25 হয়, তবে a3 + b3 এর মান কত?

Created: 1 month ago

A

64

B

81

C

100

D

91

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0

Updated: 1 month ago

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