The vector 40î + 30&jcirc; is added to a vector. The result gives 15î + 3&jcirc; as the answer. The unknown vector is _____

The vector 40î + 30&jcirc; is added to a vector. The result gives 15

1.	The vector 40î + 30&jcirc; is added to a vector. The result gives 15î + 3&jcirc; as the answer. The unknown vector is _____
A.	-25î – 27&jcirc;
B.	25î + 27&jcirc;
C.	-25î + 27&jcirc;
D.	25î – 27&jcirc;
Answer» B.