Question

If a/b=2/3 then find the values of the following expressions.
(i) 4a + 3b/3b
(ii) 5a² +2b²/5a²-2b²
(iii) a³+b³/b³
(iv) 7b-4a/7b+4a​

Answer 1

Answer:

a =2

b =3

Step-by-step explanation:

i 4a+3b/3b

4*2+3*1/3*1

8+1

9

ii 5*2*2+2*3*3/5*2*2-2*3*3

20+18/20-18

38/2

19

iii 2*2*2+3*3*3/3*3*3

8+1

9

iv 7*3-4*2/7*3+4*2

21-8/21+8

13/29