Question

3a^2 -ab /5ab -3b^2 = 4:1 find a:b​

Answer 1

Step-by-step explanation:

3a^2-ab/5ab-3b^2=4:1

3a^2-1/5-3b^2=4

3a^2-3b^2=4+1/5

3(a^2-b^2)=21/20

60(a^2-b^2)=21