Question

The first term a and common difference d are given. Find first four terms of A.P.
a = 8, d = -5

Answer 1

Given: a=1 and d=1

The general form of an A.P is a,a+d,a+2d,a+3d

So, the first term a is 1 and the common difference d is 1

then the first four terms of the A.P is

1,(1+1),(1+2×1),(1+3×1)

⇒1,2,3,4

Hence,the first four terms of the A.P. is 1,2,3 and 4.

please give me thanks

Answer 2

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HERE IS UR ANSWER

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a=8

d=-5

$a2 = a + d = 8 - 5 = 3 \\a 3 = a2 + d = 3 - 5 = - 2 \\ a4 = a3 + d = - 2 - 5 = - 7$

AP formed is..

$8,3, - 2, - 7$