
Example: Using appropriate formula and find the value of (1003)^{3}. Solution: We can change the given problem like (1000+3)^{3}, This is in the form of (a+b)^{3}, so we can use this formula, (1000+3)^{3} = (1000)^{3} + 3.(1000)^{2}.3 + 3.1000.(3)^{2} + (3)^{3} = 1,000,000,000 + 3.1,000,000.3 + 3.1000.9 + 27 = 1,000,000,000 + 9,000,000 + 27,000 + 27 = 1,009,027,027
Directions: Solve the following problems using appropriate formula. Also write at least ten examples of your own. 