Question

If a : b= 4:5 find the value of
(3a - 2b): (3a + 2b)​

Answer 1

3×4−2×5)(3×4+2×5)

=44

answer of these question is 44

Answer 2

Given :-

a : b = 4:5

To Find :-

(3a - 2b): (3a + 2b)​

Solution :-

Put the value of a and b

[3(4) - 2(5)] : [3(4) + 2(5)]

[12 - 10] : [12 + 10]

2 : 22

1 : 11