Physics, asked by touseefapna, 3 months ago

the vector a and b such that a+b= 11i-j+7k and a-b =-5i+11j+9k. find the angle between a and a+b.

Answers

Answered by AminulRahman

0

Explanation:

what the quetion is writen her i am dont under stand

Answered by sushant482

0

Answer:

it will be 6i+10j+16k

Explanation:

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