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$\dfrac{a}{b} = \dfrac{3}{5}$ आसल्यार, $\dfrac{a+b}{a-b}$ चें मोल सोदून काडात.

A$4$
B$-4$
C$\dfrac{8}{2}$
D$-2$
Answer & Solution
Correct answer: B. $-4$
componendo-dividendo वळख करून, जर $\dfrac{a}{b} = \dfrac{c}{d}$ जाल्यार $\dfrac{a+b}{a-b} = \dfrac{c+d}{c-d}$. प्लग इन $c = 3, d = 5$: $\dfrac{3+5}{3-5} = \dfrac{8}{-2} = -4$. एक सामान्य स्लिप म्हळ्यार चिन्न सोडप आनी पर्याय उखलप C $a < b$ कडेन लक्ष दिवप, जें ऋण भाजकाक सक्ती करता.
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