determine the general term of an A.P whose 7th term is -1 and 16th term is 17
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Step-by-step explanation:
a+6d= -1
a+15d= 17
9d= 18
d= 18/9= 2
a+6.(2)= -1
a= -(1+12)
a= -13
t1= -13, t2= -11, t3= -9, t4= -7..
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