8:18 AM G0 +234 901 970 2349 August 15, 8:59 AM +94 UNIVERSITY OF ABUJA Faculty of Engineering B.Eng. (Chemical Engineering) CA Test FEG 221: Engineering Mathematics 11 Instruction Attempt all questions Second Semester 2022/2023 Session Date: 16 November 2023 Time allowed: 30 min 1. Given that represents the imaginary uni" for a complex number, what is the value of (1 mark) 2.Sich the amphical representation (Argand diagram) of 5- For vector -[3,0,4], find the Lach of the vector marks) (2 marks) (2 marks) H Unit vector in the direction P @marks) What is the cross product of vector(s) a-13-14) and 5-12.5.1) marks) 5. Given that U= If cosx- (2-2) (28-2) write the first four (4) terms of the series (4 marks) (Note: 01-1) , estimate cos 60", using the first four (4) terms of the series ||| = о marks) U ۲۲ 《

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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8:18 AM
G0
+234 901 970 2349
August 15, 8:59 AM
+94
UNIVERSITY OF ABUJA
Faculty of Engineering
B.Eng. (Chemical Engineering) CA Test
FEG 221: Engineering Mathematics 11
Instruction Attempt all questions
Second Semester 2022/2023 Session
Date: 16 November 2023
Time allowed: 30 min
1. Given that represents the imaginary uni" for a complex number, what is the value of
(1 mark)
2.Sich the amphical representation (Argand diagram) of 5-
For vector -[3,0,4], find the
Lach of the vector
marks)
(2 marks)
(2 marks)
H Unit vector in the direction P @marks)
What is the cross product of vector(s) a-13-14) and 5-12.5.1) marks)
5. Given that U=
If cosx-
(2-2)
(28-2)
write the first four (4) terms of the series (4 marks)
(Note: 01-1)
, estimate cos 60", using the first four (4) terms of the series
|||
=
о
marks)
U
۲۲
《
Transcribed Image Text:8:18 AM G0 +234 901 970 2349 August 15, 8:59 AM +94 UNIVERSITY OF ABUJA Faculty of Engineering B.Eng. (Chemical Engineering) CA Test FEG 221: Engineering Mathematics 11 Instruction Attempt all questions Second Semester 2022/2023 Session Date: 16 November 2023 Time allowed: 30 min 1. Given that represents the imaginary uni" for a complex number, what is the value of (1 mark) 2.Sich the amphical representation (Argand diagram) of 5- For vector -[3,0,4], find the Lach of the vector marks) (2 marks) (2 marks) H Unit vector in the direction P @marks) What is the cross product of vector(s) a-13-14) and 5-12.5.1) marks) 5. Given that U= If cosx- (2-2) (28-2) write the first four (4) terms of the series (4 marks) (Note: 01-1) , estimate cos 60", using the first four (4) terms of the series ||| = о marks) U ۲۲ 《
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