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प्रश्न
Find the distance of the following point from the origin :
(8 , 15)
उत्तर
P = (0 , 0) , Q = (8 , 15)
PQ = `sqrt (("x"_2 - "x"_1)^2 + ("y"_2 - "y"_1)^2)`
`= sqrt ((8 - 0)^2 + (15 - 0)^2)`
`= sqrt (64 + 225)`
`= sqrt 289`
= 17 units
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