Question

Observe the following patterns a. 2 2 -1 2 = 2 + 1 3 2 – 2 2 = 3 + 2 4 2 – 3 2 = 4 + 3 5 2 – 4 2 = 5 + 4 Find the value of 1002 - 992 b. 1 2 = 1/6 (1× (1+1) × (2×1+1)) 1 2+22 = 1/6 (2× (2+1) × (2×2+1)) 1 2+22+32 = 1/6 (3× (3+1) × (2×3+1)) 1 2+22+32+42 = 1/6 (4 × (4+1) × (2×4+1)) Find the value of 12+22+32+42+...+102

Answer 1

Answer:

12 + 10 =22

22+ 10 =32

32+10=42

42+10=52.IS ANSWER