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प्रश्न
`" Find the distance between the points" A ((-8)/5,2) and B (2/5,2)`
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उत्तर
The given points are ` A ((-8)/5,2) and B (2/5,2)`
Then ` (x_1 = (-8)/5 , y_1 =2 ) and ( x_2 = 2/5 , y_2 = 2)`
Therefore ,
`AB = sqrt((x_2 -x_1)^2 +(y_2-y_1)^2)`
`= sqrt({2/5-((-8)/5)}^2 +(2-2)^2)`
`= sqrt((2)^2 +(0)^2`
`=sqrt(4+0)`
`= sqrt(4)`
= 2 units .
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