2001
Mathematics
67ca00ce0c643c71d77dee1f
Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3).
A.
4
B.
6
C.
3
D.
0
Correct Answer: 0
Explanation
Hint: If two lines a perpendicular, the gradient of one is equal to minus the reciprocal of the other (P, 4) and (6, -2)
Hint: If two lines a perpendicular, the gradient of one is equal to minus the reciprocal of the other (P, 4) and (6, -2)THIS WEEK's
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