Math, asked by prabhusumana12, 6 months ago

29. The sum of the 4th and the 8th term of an AP is 24 and the sum of its 6th and 20th terms is
44. Find S10

Answers

Answered by sanikadhapate125

2

Answer:

10

Step-by-step explanation:

a4+a8=24

a+3d+a+7d=24

2a+10d=24. .........1

a6+a10=34

a+5d+a+9d=34

2a+14d=34. .,.......2

Subtracting 2 from 1

2a+14d=34

2a+10d=24

- - -

4d=10

d=4/10or 2/5

Put d= 2/5 in 1

2a+10×2/5=24

2a+4=24

2a=24-4

2a=20

a=10

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