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Mathematics, 10.07.2019 11:50 nila49

The line joining a(a, 3) to b(2 -3) is perpendicular to the line joining c(10,1) to b. the value of a is?

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The line joining a(a, 3) to b(2 -3) is perpendicular to the line joining c(10,1) to b. the value of...
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