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Advanced Engineering Mathematics

84 questions · page 5 of 5. Answer in your head first, then check the solution.

#81📜 Preboard📘 PowerhouseEasy
If \(i = (-1)^{1/2}\), find the value of \(i^{36}\).
A0
Bi
C−i
D1
#82📜 Preboard📘 PowerhouseEasy
Find the work done in moving an object along the vector a = 3i + 4j if the force applied is b = 2i + j.
A11.2
B10
C12.6
D9
#83📜 Preboard📘 PowerhouseMedium
The cross product of vector A = 4i + 2j with vector B is 0. The dot product A·B = 30. Find B.
A6i + 3j
B6i − 3j
C3i + 6j
D3i − 6j
#84📜 Preboard📘 PowerhouseEasy
Find the work done in moving an object along a vector a = 3i + 4j if the force applied is b = 2i + j.
A8
B9
C10
D12

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