If A, B and C are three vectors. Then prove that A vector + (B+C) vect

1.	If A, B and C are three vectors. Then prove that A vector + (B+C) vector = (A + B) vector +C vector.{please answer the question in notebook and post the photo}
Answer» EXPLANATION: from the DIAGRAM it is clear that vector sum THREE vector's obey ASSOCIATIVE law of ADDITION

If A, B and C are three vectors. Then prove that A vector + (B+C) vector = (A + B) vector +C vector.{please answer the question in notebook and post the photo}

Answer»

EXPLANATION:

from the DIAGRAM it is clear that vector sum THREE vector's obey ASSOCIATIVE law of ADDITION

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If A, B and C are three vectors. Then prove that A vector + (B+C) vector = (A + B) vector +C vector.{please answer the question in notebook and post the photo}​

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If A, B and C are three vectors. Then prove that A vector + (B+C) vector = (A + B) vector +C vector.{please answer the question in notebook and post the photo}