Update ANS: Class 10 ICSE Selina Math ex 7D question 11 Ratio and Proportion If x and y be unequal and x: y is the duplicate ratio of x + z and y + z, prove that z is mean proportional between x and y

6 May 2020

Class 10 ICSE Selina Math ex 7D question 11 Ratio and Proportion If x and y be unequal and x: y is the duplicate ratio of x + z and y + z, prove that z is mean proportional between x and y

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