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प्रश्न
If `(3x + 5y)/(3x - 5y) = (7)/(3)` , Find x : y
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उत्तर
`(3x + 5y)/(3x - 5y) = (7)/(3)`
⇒ 9x + 15y = 21x – 35y ...[By cross multiplication]
⇒ 21x – 9x = 15y + 35y
⇒ 12x = 50y
⇒ `x/y = (50)/(12) = (25)/(6)`
Hence, x : y = 25 : 6.
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