AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 56 of 160

Marks: +1, -0

Let

−

a

,

−

b

,

−

c

be the three vectors

(i) (

−

a

×

−

b

)×

−

c

=(

−

a

.

−

c

)

−

b

−(

−

b

.

−

c

)

−

a

(ii) (

−

a

)×(

−

b

×

−

c

)=(

−

a

.

−

b

)

−

c

−(

−

a

.

−

c

)

−

b

(i) is incorrect, (ii) is correct
(i) is correct, (ii) is incorrect
Both (i) and (ii) are correct
Both (i) and (ii) are incorrect

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