25. Prove that two proper vectors a and b are at right angles iffvecto

1.	25. Prove that two proper vectors a and b are at right angles iffvector(a + b)vector(a + b) = vector \| a \| ^2+ vector \| b \|^2.
Answer» ANSWER: HOPE it HELPS you........

25. Prove that two proper vectors a and b are at right angles iffvector(a + b)vector(a + b) = vector | a | ^2+ vector | b |^2.

Answer»

ANSWER:

HOPE it HELPS you........

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25. Prove that two proper vectors a and b are at right angles iffvector(a + b)vector(a + b) = vector | a | ^2+ vector | b |^2.​

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25. Prove that two proper vectors a and b are at right angles iffvector(a + b)vector(a + b) = vector | a | ^2+ vector | b |^2.