Question

show that 4n³ + 6n²+ 4n+ 1 is composite for n=1,2,3.....

Answer 1

Answer:

let the value of n =1

4(1)³ +6(1)²+4(1)+1

4+6+4+1

=15

let the value of n=2

4(2)³+6(2)²+4(2)+1

32+24+8+1

=65

let the value of n=3

4(3)³+6(3)²+4(3)+1

98+54+12+1

165