Determine the sum of first 100 terms of given A.P. 12,14,16,18,20.
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Determine the sum of first 100 terms of given A.P. 12,14,16,18,20.
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Answer:
see the attachment for the process
Answer:
Step-by-step explanation:
an=a+(n-1)d
a=12,d=12-14=2,an=100
an=a+(n-1)d
a100=12+(n-1)2
a100=12+2n-2
a100=10+2n //