Question 932355

5th term will be:

{{{27C4 (x)^(27-4)(2y)^4 }}}

{{{27C[4] (x)^(23)(2y)^4 }}}.........{{{27C4=27!/(27-4)!*4!= 17550}}} 

{{{17550(x^23)(2y)^4}}}

{{{280800x^23y^4}}}