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anonymous
 one year ago
Find the dot product, a • b.
a = 6i + 5j, b = 5i + 4j
anonymous
 one year ago
Find the dot product, a • b. a = 6i + 5j, b = 5i + 4j

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0whats so hard about this @Nairz 6i+5j*5i+4j 6i(5i+4j) +5(5i+4j) can you solve this?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I haven't done this in a long time. Just need a refresher :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so are u refreshed now

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so just simplify that equation you wrote?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yeah multiply it gonna show one 6i(5i+4j) 6i*5i + 6i*4j then simply it, do it for both and then add subract, pretty basic

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and when he says that i x j = 0 does that mean that 6i x 4j = 0? @snoo

cwrw238
 one year ago
Best ResponseYou've already chosen the best response.16i x 4j = 24*ij = 24*0 = 0

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do same with other one, @Nairz

myininaya
 one year ago
Best ResponseYou've already chosen the best response.3doesn't <x,y> dot <c,d> mean xc+yd

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks @snoo and @cwrw238

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0btw, call me daddy, i'm out :)

myininaya
 one year ago
Best ResponseYou've already chosen the best response.3\[<6,5> \cdot <5,4>=6(5)+5(4)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i forgot to put in the  sign

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i'm an old man i m sorry i was thinking of multiplying as adding, im so sorry dear

myininaya
 one year ago
Best ResponseYou've already chosen the best response.3I think we all get things a little mixed up sometimes. Math is huge subject after all.
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