Question

if the sum of the First term of an ap is 4n-n2. what is the first term? what is the first two terms​

Answer 1

n = 4n- n2

first term : a= 4n-n2

= 4(1) - 1( 2 )

= 2

second term a= 4n- n2

=4(2 ) - 2( 2)

=4