If a = 7- 4 then find the value of

- If a b 7 4 then find the value of a2 b2 a2 b2
- If a 7 4 √ 3 then find the value of a2 1 a2
- If a b 7 and ab 4 then find the value of ab
- If x 7 4 3 then find the value of x 1 x
- If x 7 4 3 then find the value of x 2 1 x 2
- If nc6 n 3c3 7 4 then find the value of nc3
- If 7 tan ∅ 4 then find the value of ∅ ∅ ∅ ∅
- If x= 7-4/3 then find the value of
- If a 7 4 3 then find the value of a 1 a
- If 7 4 a then find the value of a
- If x 7 4 √ 3 then find the value of x 1 x
- If x 7 4 root 3 then find the value of x 1 x
- If x=7+4√3 then find the value of
- If 7 sin2 3 cos2 4 then find the value of tan
- If a b 2 7 4 3 then find the value of a b