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If every element of a third order determinant of value D is multiplied by 5, then the value of new determinant is

  • Option 1)

    D

  • Option 2)

    5D

  • Option 3)

    25D

  • Option 4)

    125D

 

Answers (1)

best_answer

If every element is multiplied by K in any determinant then value of new determinant changed to Kn where n is order 

so 53=125

\thereforeNew \Delta ^{1}=125D


Option 1)

D

This solution is incorrect 

Option 2)

5D

This solution is incorrect 

Option 3)

25D

This solution is incorrect 

Option 4)

125D

This solution is correct 

Posted by

divya.saini

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