mianbjun mianbjun
  • 09-12-2022
  • Mathematics
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11. Line Lā‚ passes through points P(n, 4) and Q(1, āˆ’2). Line Lā‚‚ passes
through points R(4, 3) and S(1, 5).
a) If the lines are perpendicular, what is the value of n?

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