Que.no.77 ans plzzz J Given that matrix A
A (adj A) is equal to
64 0 0
0 0 64
68 0 0
0 68 0
68
x
2
3
y
2
2
4
. If xyz = 60 and 8x + Ay + 3z 20, then
88
O
34
o
-o
88
o
o
34
O
0
88
o
34
77) If A1, As, ...
, 2n- are n skew symmetric matrices of same order, then
— l) (A2r — I
will be
a) symmetric
b) skew — symmetric
c) neither symmetric nor skew symmetric
d) data not adequate
