Question

jar a/b =
3/5 tar a+b = b=?​

Answer 1

Correct Question :- if a/b = 3/5 . find a + b / a - b ?

Answer :-

(a + b / a - b)

dividing both numerator and denominator by b we get,

→ [(a/b) + 1] / [(a/b) - 1]

putting value of a/b now, we get,

→ [(3/5) + 1] / [(3/5) - 1]

→{ (3 + 5) /5 } / {(3 - 5) / 5}

→ (8/5) / (-2/5)

→ (8/5) * (-5/2)

→ 4 * (-1)

→ (-4) (Ans.)

Learn more :-

13. Simplify 25 + (-17) + (-9)

https://brainly.in/question/39017022?utm_source=android&utm_medium=share&utm_campaign=question

Answer 2

SOLUTION

GIVEN

$\displaystyle \sf{ \frac{a}{b} = \frac{3}{5} }$

TO DETERMINE

$\displaystyle \sf{ \frac{a + b}{a - b} }$

EVALUATION

$\displaystyle \sf{ \frac{a}{b} = \frac{3}{5} }$

$\displaystyle \sf{ \frac{a}{3} = \frac{b}{5} = k \: \: (\: say)}$

$\displaystyle \sf{ \implies \: a = 3k \: \: \: and \: \: b = 5k}$

Now

$\displaystyle \sf{ \frac{a + b}{a - b} }$

$\displaystyle \sf{ = \frac{3k + 5k}{3k - 5k} }$

$\displaystyle \sf{ = \frac{8k}{ -2 k} }$

$= - 4$

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

1. Ifa : b=c:d=e: f= 2:1, then (a + 2c + 3e) : (5b + 10d + 15f) is equal to:

https://brainly.in/question/23293448

2. If p/2q = 11/5 then p-2q/p+2q = ?

https://brainly.in/question/34239839