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Find a•b. a=<2,4>, b= <2,5>
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Find a•b. a=<2,4>, b= <2,5>

User Qasta
by
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1 Answer

5 votes

Answer:

a • b = 24

Explanation:


<a,\ b>\circ<c,\ d>=ac+bd\\\\a=<2,\ 4>,\ b=<2,\ 5>\\\\a\circ b=<2,\ 4>\circ<2,\ 5>=(2)(2)+(4)(5)=4+20=24

User Nazy
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