Math, asked by daljeetkaur9570, 1 year ago

an ap consists of 45 terms. The sum of the three middle most terms is 546 and the sum of the last three terms is 1050.
find the AP.​

Answers

Answered by amitnrw
9

AP is 6  , 14  , 22 ,  30  ,,,,,,,,,,,,,,,,,,,,,

Step-by-step explanation:

an ap consists of 45 terms

middle three terms

22 , 23  , 24

22nd term =  a + 21d

23rd term =  a + 22d

24th term = a + 23d

a + 21d + a + 22d + a + 23d = 546

=> 3a + 66d  = 546

=> a + 22d  = 182

Last three terms

a + 44d  + a + 43d + a + 42d  = 1050

=> 3a + 129d = 1050

=> a + 43d = 350

=> 21d = 168

=> d = 8

a + 22*8 = 182

=> a = 6

AP

6  , 14  , 22 ,  30  ,,,,,,,,,,,,,,,,,,,,,

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Answered by devil4131
0

baba harmane ya fhir

royal

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