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Find the distance between parallel lines: 15x + 8y – 34 = 0 and 15x + 8y + 31 = 0

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प्रश्न

Find the distance between parallel lines:

15x + 8y – 34 = 0 and 15x + 8y + 31 = 0

योग
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उत्तर

We know that the distance between two parallel lines = `|("C"_1 ∼ "C"_2)/(sqrt("a"^2 + "b"^2))|`

Here, C1 = −34, C2 = 31

a = 15, b = 8

∴ Distance between given parallel lines = `|(-34 - 31)/sqrt(15^2 + 8^2)|`

= `65/sqrt(225 + 64)`

= `65/sqrt(289)`

= `65/17` units

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अध्याय 9: Straight Lines - EXERCISE 9.3 [पृष्ठ १६७]

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एनसीईआरटी Mathematics [English] Class 11
अध्याय 9 Straight Lines
EXERCISE 9.3 | Q 5. (i) | पृष्ठ १६७

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