Question

Write first four terms of the A.P., when a=10 and d=10​

Answer 1

Ap= a+(n-1)d
Ap=10+(4-1)10
Ap=10+30
Ap=40


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Answer 2

Step-by-step explanation:

An arithmetic progression is given by a,(a+d),(a+2d),(a+3d), .

where a= the first term, d= the common difference

(i) first term(a1) =a=10,

(ii) second term(a2) =(a+d)=10+10=20,

(iii) third term(a3) =(a+2d)=10+2(10)=30 and

(iv) fourth term(a4)= (a+3d)=10+3(10)=40

hence the first four terms are10,20,30 and 40.