h) If the 5th term of the A.P. is 35 and its 9th term is 59, find its nth term
Answers
Answered by
3
Answer:
a+4d=35 & a+8d=59.
d=6.
put this in nth formula.
u get answer....
Answered by
0
Answer:
a5 = 35
a9 = 59
an = ?
a + 8d = 59
a + 4d = 35
by using elimination method
4d = 24
d = 24/4
d = 6
put the value of d in equation 1
a + 8(6) = 59
a + 48 = 59
a = 59 - 48
a = 11
an = a+(n-1) d
an = 11 + (n -1) 6
an = 11 + 6n -6
an = 6n - 5
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