Question

If \begin{vmatrix} a & b & c \\ d & e & f \\ g & h & i \end{vmatrix} = 4, find \begin{vmatrix} 7d+a & 7e+b & 7f+c \\ g & h & i \end{vmatrix} . \begin{vmatrix} 7d+a & 7e+b & 7f+c \\ g & h & i \end{vmatrix} = \boxed{\text{ (Simplify your answer.)}}

          If \begin{vmatrix} a & b & c \\ d & e & f \\ g & h & i \end{vmatrix} = 4, find \begin{vmatrix} 7d+a & 7e+b & 7f+c \\ g & h & i \end{vmatrix} . \begin{vmatrix} 7d+a & 7e+b & 7f+c \\ g & h & i \end{vmatrix} = \boxed{\text{ (Simplify your answer.)}}

If a b c
d e f
g h i = 4, find 7d+a 7e+b 7f+c
g h i . 7d+a 7e+b 7f+c
g h i = (Simplify your answer.)

Added by Luz E.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Taru H

Step 1

First, we can simplify the expression by combining like terms: 7d + 7d = 14d 7e + 7e = 14e 7f + 7f = 14f So the expression becomes: 14d + a 14e + b 14f + c Show more…

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