Mathematics, 24.10.2021 22:20 shreyasrikanth1

a line passing through (a, 4) & (-1, 6) is perpendicular to a line through (1, -5) & (2, a). What is the value of a?

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a line passing through (a, 4) & (-1, 6) is perpendicular to a line through (1, -5) & (2, a)....