EC > GATE 2023 > Linear Algebra
Let x be an n × 1 real column vector with length l = √xTx. The trace of the matrix P = xxT is
A
l2
B
l2/4
C
1
D
l2/2

Correct : a

Similar Questions

The greatest prime factor of 3199-3196 is
#26 MCQ
Four identical cylindrical chalk-sticks, each of radius $r=0.5$ cm and length $l=10$ cm, are bound tightly together using a duct tape as shown in the following...
#28 MCQ
Two identical sheets A and B, of dimensions 24 cm 16 cm, can be folded into half using two distinct operations, FO1 or FO2.In FO1, the axis of folding remains...
#31 MCQ

Related Topics

No tags found

Unique Visitor Count

Total Unique Visitors

Loading......