Math, asked by falange7, 19 days ago

Show that the lines joining the points (7,-5) and (3, 4) is perpendicular to the line 4x - 9y + 7 = 0 ​

Answers

Answered by nehawrest1
1

Step-by-step explanation:

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Answered by dggvvddyh
0

Step-by-step explanation:

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