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प्रश्न
Find the ratio in which the x-axis divides internally the line joining points A (6, -4) and B ( -3, 8).
उत्तर
Let 'P'lies on x-axis
∴ Let P = (x, 0)
y = `("my"_2 + "ny"_1)/("m + n")`
`0 = (8"m" - 4"n")/("m + n")`
0 = 8m + 4n
∴ 4n = 8m
`4/8 = "m"/"n"`
`"m"/"n" = 1/2`
Ratio = m : n = 1 : 2
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