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प्रश्न
If (3x-4) : (2x+5) is the duplicate ratio of 3 : 4 , find x.
उत्तर
`(3x-4)/(2x+5) = (3)^2/(4)^2`
⇒ `(3x-4)/(2x+5) = (3) = 9/16`
⇒ 48x - 64 - 18x + 45
⇒ 30 x - 109
⇒ x = `109/30`
x = `109/30`
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