Write general term of
A )1/2,1.3/2.4,1.3.5/2.4.6,1.3.5.7/2.4.6.8……………
b )1/2,-4/9,9/28,-16/65…………..
A )1/2,1.3/2.4,1.3.5/2.4.6,1.3.5.7/2.4.6.8……………
b )1/2,-4/9,9/28,-16/65…………..