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OpenStudy (anonymous):
I need help with Precalculus?
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OpenStudy (amistre64):
stack, mutlipy, add
OpenStudy (amistre64):
A = <3, 0, -1> B = <4, -2, 5> --------------- 12, +0, -5 = 7
OpenStudy (amistre64):
lets take 2 vectors we know are perp;; 0,1 and 1,0 0,1 1,0 ---- 0+0 = 0 .... perp vectors will always dot out to zero
OpenStudy (amistre64):
correct, since 7 does not equal 0, they are not perp
OpenStudy (amistre64):
good luck :)
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