2. Write C++ statement to evaluate each of the following algebraic expressions. Use parenthesis wherever needed. Assume all the variables are already declared and initialized. i) D = b2-4ac, input variables are a, b and c ii) Y= , input variable is x iii) F = , assume C and F to be floating point variables, and C is known input iii) Z = 2 + , x and y are known inputs 2. Write C++ statement to evaluate each of the following algebraic expressions. Use parenthesis wherever needed. Assume all the variables are already declared and initialized. i) D = b2-4ac, input variables are a, b and c ii) Y= , input variable is x iii) F = , assume C and F to be floating point variables, and C is known input iii) Z = 2 + , x and y are known inputs