Question

in an ap 7,10,13..... 184 find the 25th term from the last term​

Answer 1

Answer:

Here !!

first term is 7 say " a "

and last term is 184 say " an "

if the no . of terms are n

D ( common difference ) = 13-10 = 10-7 = > 3

Now we have to find the 8th last term so it will be easier for us if we will reverse theAP

= > 184,181 , .......... 13,1 0,7

now D = -3 and a = 184 an

= 7

Now we have to find 8th term : use an = a + ( n - 1 ) d just plug in the values ....

a8 = 184 + ( 8-1 ) x - 3

a8 = 184 -21

a8 = 163

Step-by-step explanation:

#loki

Answer 2

Answer:

using tn=a+(n-1)d a=7 d=3 n=25

Step-by-step explanation:

your answer is 79