Engineering math's EC

Engineering math's EC
Question:-
Option (A)
1 - x + x2 - x3 + x4 - x5 + . . .
Option (B)
1 - x + x2 - x3
Option (C)
x4
Option (D)
1 + x3
Correct Option:
C
Question Solution:
x4 is purely algebraic function so it can not be further expanded.
Question:-
Option (A)
line integral into surface integral
Option (B)
surface integral into volume integral
Option (C)
line integral into volume integral
Option (D)
none of these
Correct Option:
A
Question Solution:
Green's theorem is used to convert line integral into surface integral.
Question:-
Option (A)
-1, 1, 4
Option (B)
0, 1, 5
Option (C)
-1, 1, 2
Option (D)
3, 2, 5
Correct Option:
A
Question Solution:
Sum of eigen values is equal to the sum of principle diagonal elements.
Question:-
Option (A)
Option (B)
2
Option (C)
5
Option (D)
0
Correct Option:
D
Question Solution:

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