Fill in the blanks so that the resulting statement is true. Consider the statement 2 + 4 + 6 + ".. + 2n = n(n+ 1) If n = 1. the statement is 2 = 1(1 + 1). If n = 2. the statement is 2 + 4 = 2(2 + 1). If n = 3. the statement is If n = k + 1. the statement is Choose the correct terms below. Consider the statement 2 + 4 + 6+ ... + 2n = n(n + 1) If n = 1. the statement is 2 = 1(1 + 1). If n = 2. the statement is 2 + 4 = 2(2 + 1) If n = 3. the statement is If n = k + 1. the statement is