Let a - b and c be three vectors such that - a -3- b -4- c -5 and mutually perpendicular to each other- then - a - b - c -A- 5B- 5 -2C- 10D- 10 -2

The correct option is B |a+b+c|^2=|a|^2+|b|^2+|c|^2 = 50 ∴ |a+b+c|=5√(2) ...

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Equal Vectors

Let a , b and...

Question

Let $\to a, \to b a n d \to c$ be three vectors such that $| \to a | = 3, | \to b | = 4, | \to c | = 5$ and mutually perpendicular to each other, then $| \to a + \to b + \to c | =$

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