Question

Help Me Please



Find the specified vector or scalar.

u = -4i + 1j and v = 4i + 1j; Find ‖u+v‖.
A. √34
B. 8
C. 2
D. 5

Answer 1

just combine like term and get the resultant of the components....

Answer 2

for any vector ai+bj we have
||ai+bj||=sqrt(a^2+b^2)

Answer 3

here u+v=2j
and hence ||u+v||=2

Answer 4

@ganeshie8