Question

ii) Decide whether the following sequence is an A.P. or not. If so, Find 20
term of the progression
-12, -5, 2, 9, 16, 23, 30,
​

Answer 1

Answer:

method: 1.13 Convert the following decimal numbers to binary numbers using the divide-by -2 a. 9 method: a.b. 19 15 c. b. 30 32 c.d. 64 140

Answer 2

Answer:

131

Step-by-step explanation:

difference of each term

-5 - (-12) is

7

2-(-5)is

7

hence A.P

FOR 20 TH TERM

FIRST TERM PLUS (20-1)× 7

-12 plus 19×7

-12 plus 143

131