Question

For the following arithmetic progressions write the first term $a$ and the common difference $d$:
$0.3,0.55,0.80,1.05,....$

Answer 1

Given Arithmetic progression (A.P) is

$0.3,0.55,0.80,1.05,........$

Hence the first term of the A.P is given by

$a_1=0.3$

And the common difference of an A.P is given by the difference of two successive terms .

$(i.e.,d=a_{n+1}-a_n)$

By putting n=1 in above expression we get

$d=a_2-a_1$

$Put{a}_1=0.3and{a}_2=0.55$

$d=\left(0.55\right)-\left(0.3\right)$

$d=0.25$