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ICSE Class 10 Answered

If (x-9) :(3x+6) is the duplicate ratio of 4:9,find the value of x.
Asked by sameeksha | 23 Feb, 2018, 01:10: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator straight x minus 9 over denominator 3 straight x plus 6 end fraction equals open parentheses 4 over 9 close parentheses squared
fraction numerator begin display style straight x minus 9 end style over denominator begin display style 3 straight x plus 6 end style end fraction equals 16 over 25
Solving space this space you space will space get space straight x equals fraction numerator negative 321 over denominator 23 end fraction end style
Answered by Sneha shidid | 23 Feb, 2018, 03:21: PM

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