The sum of 7th terms of the series $l o g a + l o g a^{2} + l o g a^{3} + . . . . . . . . .$ is

Created: 2 months ago | Updated: 1 week ago

8 log a

28 log a

38 log a

48 log a

Job Solution বুয়েট ও অন্যান্য পরীক্ষা বাখরাবাদ গ্যাস ডিস্ট্রিবিউশন কোম্পানী লিমিটেড (BGDCL) || সহকারী প্রকৌশলী (মেকানিক্যাল, সিভিল, কম্পিউটার ও ইলেকট্রিক্যাল) (15-03-2024) গণিত

285

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$I f 5^{x + 1} - 2 \times 5^{x} - 3 = 0$ What is the value of x ?

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Job Solution বুয়েট ও অন্যান্য পরীক্ষা Bangladesh Oil, Gas and Mineral Corporation (Petrobangla) || Assistant Manager (Electrical / Electronics/Chemical/Petroleum/Petroleum & Mining/IPE/ MME/Naval Architechture/ Telecom/ Geology/Geophysics/Chemistry/Environment/Marketing) (31-05-2024) গণিত

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Given A = 2i - 3j + 4k and B = i + 2j - k , what is the value of the dot product A. B?

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A right-angled triangle has a hypotenuse of length 10 cm and one of its acute angles measures $30^{\circ} .$ What are the lengths of the other two sides?

Created: 2 months ago | Updated: 1 week ago

5 cm and 5 cm

5 cm and 10 cm

10 c m a n d 5 \sqrt{3} c m

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Job Solution বুয়েট ও অন্যান্য পরীক্ষা Bangladesh Oil, Gas and Mineral Corporation (Petrobangla) || Assistant Manager (Electrical / Electronics/Chemical/Petroleum/Petroleum & Mining/IPE/ MME/Naval Architechture/ Telecom/ Geology/Geophysics/Chemistry/Environment/Marketing) (31-05-2024) গণিত

52

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The perimeter of a rectangle is 24 inches, and its length is 3 times its width. What are the length and the width of the rectangle?

Created: 2 months ago | Updated: 1 week ago

Length: 6 inches, Width: 2 inches

Length: 9 inches, Width: 3 inches

Length: 12 inches, Width: 4 inches

Length: 18 inches, Width: 6 inches

Job Solution বুয়েট ও অন্যান্য পরীক্ষা Bangladesh Oil, Gas and Mineral Corporation (Petrobangla) || Assistant Manager (Electrical / Electronics/Chemical/Petroleum/Petroleum & Mining/IPE/ MME/Naval Architechture/ Telecom/ Geology/Geophysics/Chemistry/Environment/Marketing) (31-05-2024) গণিত

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A circle has a radius of 30 cm. Determine the length of the arc subtended by an angle of $60^{\circ}$ at the center of the circle.

Created: 2 months ago | Updated: 1 week ago

\frac{π}{6} c m

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Job Solution বুয়েট ও অন্যান্য পরীক্ষা Bangladesh Oil, Gas and Mineral Corporation (Petrobangla) || Assistant Manager (Electrical / Electronics/Chemical/Petroleum/Petroleum & Mining/IPE/ MME/Naval Architechture/ Telecom/ Geology/Geophysics/Chemistry/Environment/Marketing) (31-05-2024) গণিত

30

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