Find the A.P whose 7th and 12th terms are 34 and 64 respectively.also find its 10th terms
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Answer:
a7=a+6d=34
a12=a+11d=64
so by elimination method
a" gets cancelled
5d=10
d=2
a=42
an=a+(n-1)d
a10=42+(9)2
a10=60
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