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Show that w is in the subspace of R4 spanned by vy. Vz, and v3, where these vectors are defined as follows 2 -4 w= 5 V21 - 2
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Let w= devity Vz+zV3 where y, I, 2 de scabell Then +7 42 o 40-47-72 to w -3x+57 +52 28-27-42 94-97-172 =) 48-47-72 = 7 --> 0by solving 40, we get X=19, J = 5 z=7 clearly these values satisfies ev. W=19 Vi +5V2+7V

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