Let the vectors and . For some , let . If and , then is equal to

Let the vectors and . For some , let . If and , then is equa... — JEE PYQs | Mockzy

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Let the vectors

a = - \hat{i} + \hat{j} + 3 \hat{k}

and

b = \hat{i} + 3 \hat{j} + \hat{k}

. For some

λ, μ \in R

, let

c = λ a + μ b

. If

c \cdot (3 \hat{i} -6 \hat{j} + 2 \hat{k}) = 10

and

c \cdot (\hat{i} + \hat{j} + \hat{k}) = - 2

, then

∣ c ∣^{2}

is equal to

Let and . The n(S) is :

Let the point A be the foot of perpendicular drawn fror the point P(a, b, 0) on

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