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प्रश्न
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5, find the value of x.
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उत्तर
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5
Find the value of x.
We have,
`(x + 3)/(4x + 1) = 3^2/5^2`
`\implies (x + 3)/(4x + 1) = 9/25`
`\implies` 25x + 75 = 36x + 9
`\implies` 11x = 66
`\implies` x = 6
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