Question

If 3a+1/5a =3 then, 25a^2 + 1/9a^2 = ?​

Answer 1

Answer:

3a+1/5a=3

3a+1=15a

15a-3a=1

a=1/12.

Step-by-step explanation:

25a²+1/9a² ....(i)

put value of a in eq (i)

25(1/12)²+1/9(1/12)²

25/144+144/9

solve this you will get your answer

Answer 2

Answer:

If 3a+1/5a =3 then, 25a^2 + 1/9a^2 =65/3