Find the sum of first 25 terms of the A.P 30,26,22
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Answered by
12
a=30 d= -4 añth term=25
anth term =a+(n-1)×d
a25=30+(25-1)× -4
a25 =30 +24 × -4
a25 =30-96
a25= -66
Answered by
2
Answer:
n/2[2a + (n – 1)d
a= 30 d = 4
Step-by-step explanation:
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