Question

Find ||u + v|| for u = 3 i + 3 j and v = 7 i + 3 j.

Answer 1

u =<u1, u2>
v =<v1,v2>
(u + v ) = <u1+v1, u2+v2> =?

Answer 2

be back to work, It's not hard, I don't give you the answer, period

Answer 3

10,6 ?

Answer 4

yes

Answer 5

bcoz what i did is √3^2+3^2+√7^2+3^2

Answer 6

now, take magnitude of it . let say it is = v
|| || = sqrt((10^2) + (6^2))

Answer 7

so || || =?

Answer 8

2√34 ^^

Answer 9

yup

Answer 10

Don't forget YOU CAN DO WHATEVER YOU LIKE. period

Answer 11

im so stupid >.<

Answer 12

continue your sentence: im so stupid to think that i cannot solve those easy problems. hehehe. now i change my mind, i m smart enough to pass them

Answer 13

^^, thank you for your strong encouragement :)

Answer 14

hihihi, i m out now. gooood luck

Answer 15

can i ask last?