Question 1

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Estudia la posició relativa de les rectes:
r: negative x plus 7 times y plus 43 equals 0 intersection 34 times x minus 23 times y plus 43 times z equals 0

s: negative x plus 7 times y plus 43 equals 0 intersection 34 times x minus 23 times y plus 43 times z equals 0

(Atenció! les respostes incorrectes resten)
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