find the sum of first 25 terms of the AP 30,26,22,....
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Answer:
a 25th = -66
Step-by-step explanation:
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
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