Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST MATHS JR NCA' And exam conducted in the year 2018. And Question paper code was '057/2018/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
A:-There exists a vector space of 81 elements
B:-There exists a vector space of 81 elements over a field of 3 elements
C:-There exists a vector space of 81 elements over a field of 9 elements
D:-There exists a vector space of 81 elements over a field of 27 elements
Correct Answer:- Option-D
Question48:-Which of the following linear transformation is invertible 7
கண்ல ப ய ४}
8ः-(८ ४) = (22८ த யப
6:0५ ४) = ® + ` (1)/(2} ४ 26 + ४}
0:70 ४) = 00+ ४, + ४)
Correct Answer:- Option-B
Question49:-If the characteristic polynomial of the linear transformation T : 9)” ` ->22^(9)` 65 `^ {9}` + 4८ + 1, पौलो
det(T- 5
A:-—6
8:--9
C—1
0-1
Correct Answer:- Option-A
/00 0 0 1Y
00010
45 |160000
01000
Question50:-If 0 00109 9/ then which is true 7
കടക =1
8:-4^ (4) = ॥
മു് ಎ|
5:26 5
Correct Answer:- Option-D
Question51:-Which is the following normed linear space is strictly convex 7
|| |
o L ا
உணடு!
டாட with | ட
D:-None of these
Correct Answer:- Option-B
Question52:-Which of the following is false 7
A:-A — B is self adjoint if A and B are 50
B:-Every unitary operator is normal
C:-Every normal operator is self adjoint
D:-A + B is self adjoint if A and B are so
Correct Answer:- Option-C
Question53:-Which of the following is a Hilbert space 7
A1)
B:- 172
(ல்
D:-None of these
Correct Answer:- Option-B
Question54:-Let f(x, y)= " {{(x* B3O 3y~ (2)) if (x, y!=(0, 0), (010500, O}):}"
Then which is not true 7
ا اعنم continuous at (0, 0)
B:-Partial derivatives exists at (0, 0)
C:-Directional derivatives exists at (0, 0)
D:-Partial derivatives are not bounded functions on *RR™(2)"
Correct Answer:- Option-D
Question55:-If the vectors i + ز2 + 3k, 4i + 5j + 6k and 5i + mj + 9k are coplanar, then the value of mis
A7
B:-6
5