Statement 1 is false, Statement 2 is true.
Statement 1 is true, Statement 2 is true; Statement 2 is a correct explanation for Statement 1.
Statement 1 is true , Statement 2 is false.
Statement 1 is true, Statement 2 is true; Statement 2 is not a correct explanation for Statement 1.
Tk = (k - 1)² + k(k - 1) + k² = (k³ - (k - 1)³)/(k - 1) - k = k³ - (k - 1)³