2. Find the sum of each of the following arithmetic series.(i) 7+10 1/2+14+...+84.

2. Find the sum of each of the following arithmetic series. (i) 7+10 1/2+14+...+84 (ii) 34+32+30+ ... + 10. (iii) (-5) + (-8) + (-11) + ... + (-230). (iv) 5+(-41)+9+(-39)+13+(-37)+17+...+(-5) +81+(-3). HINT (iv) Given sum = (5 + 9 + 13 + 17 + ... + 81) + {(-41) + (-39) + ... + (-3)}