Sum of 13 terms of an AP is 299 and sum of 24 terms is 948. Find the a,d,25th term
Answers
Answered by
2
Step-by-step explanation:
d=(948-299)/(24-13)
= 649/11
= 59
tn = a + (n-1)d
299= a+(13-1)59
= a+ (12)59
= a+ 708
a. = -708+299
= -409
25th term
= -409+(25-1)59
= -409+ (24)59
= -409+1416
= 1007
Answered by
9
Answer: 1007is ur answer
Step-by-step explanation:
d=(948-299)/(24-13)
= 649/11
= 59
tn = a + (n-1)d
299= a+(13-1)59
= a+ (12)59
= a+ 708
a. = -708+299
= -409
25th term
= -409+(25-1)59
= -409+ (24)59
= -409+1416
⇨ 1007
hope it helps u...
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