If 5 times the 5th term of an ap is equal to 8 times the 8th term show that its 13th term is zero

Proved below

Step-by-step explanation:

Given that

.......(1

as we know

where d is the common difference. So, equation (1) would become

Rearranging

So,

.....(2)

As we know

......(3)

So, substituting the value of a1 into equation (3)

Hence Proved

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas

explanation:

step-by-step explanation: