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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Non Vocational Teacher Mathematics (Junior & Senior)' And exam conducted in the year 2023. And Question paper code was '083/2023'. 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.
083/2023
Maximum : 100 marks
Time : 1 hour and 30 minutes
1. Let V=R’ be a vector space over R with usual addition and scalar multiplication. Then
which of the following is not a subspace of V?
(^) W, ={(X,, 2५, 5५) : 21 + ४५ ८0, 1 + 2५ - 328 = 0}
(B) 155 5 (७ ,29)%3) : 1 = 1, 2 = 1}
(© We ನಯ ಖು. ५७): ५ + ಖ್ಯ 5 0)
(D) Wy = {(%,% 2,23) #22 = 8a,%3 = Bay}
2. Let (e,e,..,¢e,} 18 a standard basis of நூ, Then ({f,f,..,f,} where
- : ष if:
15911 Gy, fy = My Cy + Ugg Coser fy = Uy Cy + Ayn Cy +++. +A, Cy 18 a basis of R” if and only if :
൧ സൃ ന... = 0 (छ) ०। *०५५...०,. #0
Any mn
0 6 بريه + ... + ووه + ررك (D) 0 > نه + ...+ ووه + yy ©)
8. The linear transformation ற் defined by 41 (1, 0, 0) = (1, 2, 0, 4) ,
T (0, 1, 0) = (2, 0, -1, -3), TO, 0, 1) = (0, 0, 0, 0). Then which of the following is true?
(4) 1 (01, 2, 08) = ("1 + 20९, 15 095 431 +392)
(8) 1 (01, 39, 39) 5 (01 + 239, 20117 095 401 7339)
(@ 1 (01102, 28) = (21 - 202, - 00, Yar 494 +399)
त) 101, 2 › 29) = (0 - 92) 21, - 92, - 401 - 80)
4. Let T:R°—R’* be a linear transformation defined by 7 (X1,%_.%3) = (1, 8, 0). If r =
dimension of range space of T and n = dimension of null space of T, then the value of 2” +3”
is:
(A) 5 (8) 7
(0 11 0) 18
5. Let Abe an eigen value of a non-singular matrix A. Then eigen value of adjoint of A, adj A is:
1
5 ® لما بم
4إ 0
© رو 0 0(
A 3
[P.T.0.]