Question

the 1st term a=5&common difference d=-4 then find the first four terms of an A.p​

Answer 1

Step-by-step explanation:

a=5 and d=4

First term =a=5

Second term=a+d=5+4=9

Third term =a+2d=5+4×2=5+8=13

Fourth term =a+3d=5+3×4=5+12=17

Answer 2

Answer:

General term of AP are a, a+d, a+2d, a+3d

so 1st four term are 5,5+(-4) , 5+2×(-4), 5+3×(-4)

= 5,5-4, 5-8, 5-12

=5, 1,(-3), (-7)