Question

<br />1. Find the co-ordinates of points on the x axis which is 10 units away from the point (4,6) please answer it.​

Answer 1

Distance between two points is :

d² = (x₂ - x₁)² + (y₂ - y₁)²

Replace (x₁, y₁) = (4,6) and d = 10 units.

=> 10² = (x₂ - 4)² + (0 - 6)²

=> (x₂ - 4)² = 64

=> (x₂ - 4) = ±8

=> x₂ = 12, -4

Hence, coordinates are (-4,0) and (12,0)

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