find the 31st term of an AP whose 11th term is 38 and then 16th term is 73
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Step-by-step explanation:
a+10d= 38
a+15d= 73
5d= 35
d= 35/5= 7
a= 38-10.(7)= 38-70= -32
a+30d= -32+30.(7)= 178..
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