If a 2 and b 3 find the value of 2a

- If a 2 and b 3 find the value of 2a 2b
- If a 2 and b 3 find the value of 2a 3b
- If a 2 and b 3 find the value of 5a2 2ab
- If tan a 1 2 and tan b 1 3 then find the value of tan 2a b
- If tan a 1 2 and tan b 1 3 find the value of tan 2a b
- If 2 3
- If a=-3 find the value of 2a
- If a=2+√3 find the value of a-1/a