Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix Notation

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• Point out the error, if any, in the following program. #include "stdio.h" main() { unsigned char; FILE *fp; fp = fopen ("trail", "r"); while (( ch = getc (fp)) ! = EOF) printf ("%c", ch); fclose (fp); }
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