Need a C++ program which finds the roots of quadratic equation.?

1) Need a C++ program which finds the roots of quadratic equation. If ax2 + bx + c = 0 is a quadratic equation then its roots can be found by the formula Where a, b and c are constant.

2) Consider a person, who has three different accounts in a Bank, the Accounts are PLS, Current and Joint.The Bank give different interest for different account type, According to Bank rules it provide 10% interest on PLS, 8% on Joint and 5% on Current account.Write a program which uses the Switch statement. To show the interest rate of an account, Each Account type should have an id, which will use as the case number in the switch statement.

Need a C++ program which finds the roots of quadratic equation.?construction loans

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