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Q)

# In triangle ABC (Fig 10.18),which of the following is not true :

(A) $\overrightarrow {AB}+\overrightarrow {BC} +\overrightarrow {CA}=0$

(B) $\overrightarrow {AB}+\overrightarrow {BC} -\overrightarrow {AC}=0$

(C) $\overrightarrow {AB}+\overrightarrow {BC} -\overrightarrow {CA}=0$

(D) $\overrightarrow {AB}-\overrightarrow {CB} +\overrightarrow {CA}=0$