If is a nonzero vector of magnitude - a - and - a nonzero scalar- then - is unit vector if A -1 B -1 C a-D a-1-

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If is a nonze...

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Ifis a nonzero vector of magnitude ‘a’ and λ a nonzero scalar, then λis unit vector if

(A) λ = 1 (B) λ = –1 (C)

(D)

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\to a

^{'} a^{'}

λ

λ \to a

If a is a non-zero vector of magnitude a and $λ$ is a non-zero scalar, then $λ$ a is unit vector if

a) $λ = 1$

b) $λ = - 1$

c) $a = | λ |$

d) $a = \frac{1}{| λ |}$

\vec{a}

\vec{a}

a = \frac{1}{|λ|}

λ

\sqrt{(1 + \frac{1}{a}) (1 + \frac{1}{b})}

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