View Compilation Error

0_0_28382260_15503.cpp: In function 'int main()':
0_0_28382260_15503.cpp:120:71: error: expected ';' before ')' token
   r=sqrt(o.x*o.x+o.y*o.y)+(sqr(k*A.x)-sqr(B.x)+sqr(k*A.y)-sqr(B.y))/a1);
                                                                       ^