Determine the AP whose fourth term is 18 and difference of ninth term from fifteenth term is 30

Determine the AP whose fourth term is 18 and difference of ninth term

1.	Determine the AP whose fourth term is 18 and difference of ninth term from fifteenth term is 30
Answer» A4=A+3D=18A9=A+8DA15=A+14DA15-A9=A+14D-A-8D=6D=30(GIVEN) D=5,A=3A.P.=3,8,13,18,23,28,33,.........