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If \(\frac b a = 0.7,\) find the value of \(\frac {a-b}{a+b} + \frac {11}{34}.\)1. 12. 0.23. 0.34. 0.5 |
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Answer» Correct Answer - Option 4 : 0.5 GIVEN: \(\frac b a = 0.7\) CALCULATION: \(\frac {a-b}{a+b} + \frac {11}{34}\) \(⇒ \frac {1-b/a}{1 + b/a} + \frac {11}{34}\) ⇒ (1 - .7)/(1 + .7) + 11/34 ⇒ .3/1.7 + 11/34 ⇒ .17 + .33 ⇒ .5 ∴ \(\frac {a-b}{a+b} + \frac {11}{34}\) = .5 |
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