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Mathematics 11 Online
OpenStudy (anonymous):

Are the given vectors normal? a=(5,-2) and b=(6,15)

OpenStudy (anonymous):

Medals to anyone that helps

OpenStudy (irishboy123):

"dot" them!!!!! use the dot product.

OpenStudy (anonymous):

the what?

OpenStudy (irishboy123):

a • b =<5,-2>•<6,15> = 30 -30 = 0 does that mean anything to you?

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