1.

Write the direction ratios and direction cosines of the vectoroversetrarra=2overset^^i+3overset^^j-4overset^^k.

Answer»

Solution :DIRECTION Ratios (2,3-4)
`|a|=SQRT(4+9+16)=sqrt(29)`
Direction COSINES` (2/sqrt(29),3/sqrt(29),-4/sqrt(29))`


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