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प्रश्न
What is the distance between the points A (c, 0) and B (0, −c)?
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उत्तर
We have to find the distance betweenA( c , 0) and B (0 , - c) .
In general, the distance between A`(x_1 , y_1) " and B " (x_2 , y_2)` is given by,
`AB = sqrt((x_2 , x_1)^2 + ( y_2 - y_1)^2)`
So,
`AB = sqrt((c - 0)^2 + (0 - c)^2)`
` = c sqrt(2)`
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