Question

find 10th term from end of the AP:-4,9,14,..........254​

Answer 1

Answer:

ANSWER

Given

AP- 4,9,14........254

Last term of AP is 254

Since it is been asked to find the 10th term from end; a=254

d=−5,n=10

a

n

=a+(n−1)d

a

n

=254+(10−1)(−5)

a

n

=254−45

a

n

=209

Answer 2

Answer:

Given :-4,9,14,____,254

First = 4

comman difference = 5

Finding 254 is which term of the A.P from the Beginning

254 = 4+(n-1)5

250 = (n-1)5

50 = n-1

n = 51

Hence , 254 is the 51th term of the A.P 42th term of A.P term of A.P

= 4+41 (5)

= 4+205 = 209

The 10th term form end of the A.P :- 4,9,14,_____,254 is 209