The Newton divided difference polynomial passing through the points (1.1). (3. 27). (4, 64) is (a) x*- 19x+ 12 b) Sx* -x+ 12 (c) 8x* - 19x + 1 (d) 8x* - 19x + 12 OA OB Oc OD For the data X 4 2 2 fx): -139 5 141 451 The value of forth order forward ditference A"fo is (a) I18 b) 96 C) 90 d)