Question
If (7a + b) : (7a - b) = 7:3, then find the value ofÂ
a:b?Solution
ATQ, (7a + b)/(7a - b) = 7:3 21a + 3b = 49a - 7b 7b + 3b = 49a - 21a 10b = 28a on sloving we get a:b = 5:14
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