Question

8.If s1, s2 and s3 are three properly declared and initialized strings, then select the INVALID statement.
(1 Point)

strcat(s3, (strcat(“DEF”,s1));

strcat(s3, strcat(s2,”DEF”));

strcat(s3, strcat(s2,s1));

strcat(s1, strcat(s2,s3));​

Answer 1

Answer:

1. no 3c
2. is the
3. invalid