if nth term of an ap is (5n-2) find its first term and common difference. alao find its 19th term Share with your friends Share 3 Pooja answered this an=5n-2For n=1, a or a1=51-2=3n=2, a or a2=52-2=8Common difference, d=a2-a1=5a19=a+n-1d=3+19-15=3+185=3+90=93 11 View Full Answer Mansi Sahu answered this first term , a= 5 *1 -2 =3second term a2 = 5*2-2 = 8common difference = a2-a1 = 8 -3 = 519 th term = 5*19-2 = 93 9 Mansi Sahu answered this hope this helps u...pls hit like button -1 I Am Awesome answered this take n = 1 than a=3then take n=2 than a2=8then d=5therefore ap= 3,8.13........a19=3+(n-1)5a19=3+85=88there fore 19th is 88i hope ans ur question -5