Question

Find the number of term in the A.P. 10,4,-2,-8,.......,-290 .Also find its 30th term from the end​

Answer 1

Answer:

1;546;494 ;475;2934;

Answer 2

Answer:

51 terms

Step-by-step explanation:

A.P = 10,4,-2,-8,.......,-290

d = 4-10 = -6

let nth term is -290

so, as An = a+(n-1)d

so, -290 = 10+(n-1)(-6)

-300 = -6n+6

-306 = -6n

51 = n ....ans.