The 15th term of the sequence is 72 more than the 7th term. The 11th term of the sequence is 1. What is the common difference
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Step-by-step explanation:
in between seventh time and 15 the time there at times for the eight times there 72 for each time there is 9
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let the first term be A
and commmon difference = D
A+10D=1
A+14D=A+6D+72
=>8D=72
=>D=9
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