Question

(ii) 161
(iii) 93
Solve the following sums with the help of short calculations.
19. Find: (0)1257
20. Find the reminder when x + 3x2 + 3x + 1 is divided by : X+1
OR​

Answer 1

Answer:

19 is answer 10+3×2+3×+1

Answer 2

Answer:

19 is answer 10+3×2×+1