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A=(_3 2),b (4 _6),c=(5 _10)​

A=(_3 2),b (4 _6),c=(5 _10)​-example-1
User GMale
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1 Answer

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first we find x of p:


x = 2 * ( - 3) - (1)/(2) * 4 + (2)/(5) * 5 \\ = - 6 - 2 + 2 = - 6

then we find y of p:


y = 2 * 2 - (1)/(2) * ( - 6) - (2)/(5) * ( - 10) \\ = 4 + 3 + 4 = 11

so


p = \binom{ - 6}{11}

and


|p| = \sqrt{ {( - 6)}^(2) + {11}^(2) } \\ = √(36 + 121) = √(157) = 12.53
User Teodor Nikolov
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