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This ineqality |veca.vecb|le|veca||vecb|...

This ineqality `|veca.vecb|le|veca||vecb|` is called

A

Cauchy Schwartz inequality

B

Triangle inequality

C

Roll's Theorem

D

Lagrange's Mean value theorem

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OMEGA PUBLICATION-PUNJAB BOARD-MATHEMATICS 2018-SERIES -B
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