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प्रश्न
Find the sub-duplicate ratio of the following :
c
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उत्तर
63m2 : 28n2
`= sqrt (63"m"^2) : sqrt (28 "n"^2)`
`= 3 sqrt7 "m" : 2 sqrt 7 "n"`
= 3m : 2n
Sub-duplicate ratio = 3m : 2n
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