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7/23/2019 GATE EE(Maths)
http://slidepdf.com/reader/full/gate-eemaths 1/1
SET 8 , MATH Portion Date:21.07.15
1. For what values of and , the directional derivative of at (1,1,1)
along is and along is
2.
Laplace Transformation of { is
[
] , (B)
[ ], (C)
[
], (D)
[ ]
3. The matrix A, defined by A=( ) is orthogonal if
, (B)
, (C) , (D) 4. The value of ∮
where C is the contour |
| is
(A) , (B) , (C) , (D)
5. Consider the initial value problem . Use Euler’s method with step sizes
h=0.3 to compute approximations to is equals to
(A) 0.953, (B) 0.0953, (C) 0.909 (D) -0.953
Answer:
1. (B) 2. (A) 3. (B) 4. (C) 5. (A)
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