The first four terms of an AP, whose first term is –2 and the common difference is –2, are
A. – 2, 0, 2, 4
B. – 2, 4, – 8, 16
C. – 2, – 4, – 6, – 8
D. – 2, – 4, – 8, –16
Answer:C
The first four terms of an AP, whose first term is –2 and the common difference is –2, are
A. – 2, 0, 2, 4 B. – 2, 4, – 8, 16 C. – 2, – 4, – 6, – 8 D. – 2, – 4, – 8, –16
Explanation: Let the first four terms of an A.P are a, a+d, a+2d and a+3d