Question 1

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Question text

S e a n
u with rightwards harpoon with barb upwards on top equals left parenthesis negative 6 comma 8 right parenthesis
v with rightwards harpoon with barb upwards on top equals left parenthesis 1 comma 8 right parenthesis space y space
x with rightwards harpoon with barb upwards on top equals left parenthesis x comma y right parenthesis space v e c t o r e s space e n space straight real numbers squared.
D e t e r m i n e space e l space v a l o r space d e space P space element of space straight real numbers space d e space m o d o space q u e space l a space e c u a c i ó n colon

2 x with rightwards harpoon with barb upwards on top minus 3 v with rightwards harpoon with barb upwards on top equals space 4 left parenthesis x with rightwards harpoon with barb upwards on top plus P u with rightwards harpoon with barb upwards on top right parenthesis

t e n g a space a space left parenthesis 621 over 2 comma negative 428 right parenthesis space c o m o space s o l u c i ó n.

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