Find 100 ia a term of ap 25,28,31 or not

1.	Find 100 ia a term of ap 25,28,31 or not
Answer» Common difference =28-25=3 First term (a)=25an= a+( n-1) d100=25+ ( n-1)3100=25+3n-3100=22+3n100-22=3n78=3nn = 26Hence 100 is twenty sixth term of this App A=25 ,D=3 A+99d 25+99×3=322

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