Question

20) First four terms of an A.P., are……………………whose first term is -2 and common

difference is -2.

(A)-2,0,2,4 (B)-2,4,-8,16 (C)-2,-4,-6,-8 (D)-2,-4,-8,-16​

Answer 1

Answer:

c) -2, -4, -6, -8

Explanation:

a1 = -2 , d = -2

a2 = a1 + d

= -2 + -2

a2 = -4

a3 = a2 + d

= -4 + -2

a3 = -6

a4 = a3 + d

= -6 + -2

a4 = -8