If + -, then which of the following is equal to a2? a OV C 62 + c2 O ( b + c ) 2 O 6 2 C 2 ( b + c ) 2 O ( b+ c ) 2 62 c2 O 62 2 62 + C 2If P = Ae , which of the following is equal to t? O P A O In - 2 O In(P) 2 In(A) O In(P) - In(A) 2 O In(P) - In(A) In(2)If f (x ) = X x - 1 which of the following is equal to f ()? O 1 - x2 O 74 1 - x2 O ( x - 1)2 x2 O 1 - x2 O x2 - 1 x2