Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following expression is meaningless - Sarthaks eConnect
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Which of the following expression is meaningless:

Which of the following expression is meaningless:

A.

`(vecaxxvecb)*vecc`

B.

`(veca*vecb)*(veccxxvecd)`
C.

`(vecaxxvecb)xx(veccxxvecd)`

D.

`veca*(vecbxxvecc)`

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