QUESTION 1 a) Evaluate the following summations i) =(3-1) (2) ii) ? (3) iii) ?-172 b) Find the general formula for representing the summation of elements in each of the following sequences i) (1,2,3 .....n) (3) ii) {a,a + d, a + 2d, ..... a + (n-1)d) V (3) c) Describe an algorithm used by the ATM to carry out the following transactions i) Deposit money into an account (3) ii) Withdrawal money from an account (3) iii) Send Instant money or e-Wallet