ఒకవేళ (11a3 – 15b3 ) : (10a3 + 4b3 ) = 5 : 7, అప్పుడు (9a + 5b) : (5a - 3b) దీనికి సమానం:

1
10 : 7
2
13 : 5
3
15 : 4
4
14 : 9

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