# Given #a_3=5# and #a_5=1# in an arithmetic sequence, what is #a_1# and #d#?

##### 2 Answers

Mar 22, 2018

#### Explanation:

Given

Solving equations (1), (2)

Substituting value of d in Eqn (1),

#### Explanation:

Now plug in the two equation in the question given and then solve simultaneously like shown below

Therefore

Now plug one of the equations given in the question as you have already found out