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Mathematics, 25.02.2021 01:00 drcarver

A(-1,-6) B(3,-12) C(k,6) Find the value of k when Ab is perpendicular to AC(formula: gradient of AB×gradient of AC= -1)

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A(-1,-6) B(3,-12) C(k,6) Find the value of k when Ab is perpendicular to AC(formula: gradient of AB×...

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