If a=-3 find the value of 2a
- If a 2 b 3 find the value of 2a 3b
- If a b 7 3 find the value of 2a2 3b2 2a2 3b2
- If a 3 find the value of a2 and 2a
- If a 2 and b 3 find the value of 2a 2b
- If a 2 and b 3 find the value of 2a
- If a b 3 4 find the value of 2a b 3a 2b
- If a 2 and b 3 find the value of 5a2 2ab
- If sin a 3 5 find the value of sin 2a
- If a 4 b 6 and c 3 find the value of 2a b
- If cos a 3 2 find the value of sin 2a
- If m n 2a and a 3 find the value of √ mn
- If cos a √ 3 2 then find the value of 2a
- If tan a 1 3 then find the value of sin 2a
- If 18 a b 3 are in ap then find the value of 2a b
- Find the value of 2a 3b if a 2b 3 108