Question

given u = (1,-1,3) and v =(-4,5,3) find an ordered triple that represents 3u -2v
a) (16,1,-7)
b) (11,-13,3)
c) (10,-12,1)
d) (7,-7,16)

Answer 1

@surjithayer here it is mane

Answer 2

how did u get that @SA-Michael

Answer 3

3u-2v=(3,-3,9)-(-8,10,6)=(3+8,-3-10,9-6)=(11,-13,3)

Answer 4

thanks guys :) @SA-Michael @surjithayer

Answer 5

yw

Answer 6

3u-2v=3(1;-1;3) -2(-4;5;3)
=(3;-3;9) - (-8;10;6)
=(3+8;-3-10;9-6)
=(11;-13;3)
Too late huh? xD