If \( a + b + c =0,| a |=3,| b |=5,| c |=7 \) , then angle between the vector \( a \) and \( b \) is

If \( a + b + c =0,| a |=3,| b |=5,| c... - Solved

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Mathematics Position Vectors Medium

If \( \vec{a}+\vec{b}+\vec{c}=0,|\vec{a}|=3,|\vec{b}|=5,|\vec{c}|=7 \) , then angle between the vector \( \vec{a} \) and \( \vec{b} \) is

(A) \( \pi / 2 \)

(B) \( \pi / 3 \)

(C) \( \pi / 4 \)

(D) \( \pi / 6 \)

✓ Correct Answer: Option B Verified Solution

Correct Option is B. Practice regular variations of this Position Vectors concept to build speed and accuracy.

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