Factorise Completely : 5ap2+11ap+2a
5ap2+11ap+2a=a[5p2+11p+2] =a[5p2+10p+p+2] =a[5p(p+2)+1(p+2)] =a[(p+2)(5p+1)] =a(p+2)(5p+1)
Find the 20th term of the AP 2, 5, 8, 11, 14 ,...
Show that 2 + 7 is a factor of 23 + 52 – 11 – 14. Hence factorise the given expression completely using factor theorem.