Math, asked by SɴᴏᴡʏSᴇᴄʀᴇᴛ, 10 months ago

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 ghanshyamrlsp39
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 aishu0105
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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