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Select the WRONG one....

Select the WRONG one.

A

`vec(P)xxvec(Q)!=vec(Q)xxvec(P)`

B

`vec(P)xx(vec(Q)xxvec(R))=(vec(P)xxvec(Q))xxvec(R)`

C

`vec(P)*vec(Q)=vec(Q)*vec(P)`

D

`vec(P)xx(vec(Q)+vec(R))=vec(P)xxvec(Q)+vec(P)xxvec(R)`

Text Solution

Verified by Experts

The correct Answer is:
B
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  7. Vector vec(A)=2hat(i)-3hat(j)+ahat(k)andvec(B)=12hat(i)-bhat(j)+6hat(k...

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  13. The sine of the angle between 3hat(i)+hat(j)+2hat(k)and 2hat(i)-2hat(j...

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  18. Given vec(p)*(vec(P)+vec(Q))=P^(2) then the angle between vec(P)andvec...

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