Question

If a : b = 9:10, find the value of (1)
5a +3b/
5a - 3b (2)
2a² - 3b²/2à²+3b²​

Answer 1

Answer:

Please refer to the attachment below:-

Step-by-step explanation:

5a+3b/5a-3b

Given:-

a:b=9:10

Multiplying both sides by 5/3 we get,

5a/3b=45/30

Applying componendo and dividendo we get:

5a+3b/5a-3b=45+30/45-30

5a+3b/5a-3b=75/15

5a+3b/5a-3b=5:1 or 5