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Everyone is going to start to hate me know because i keep asking so many questions, but really i do look around these boards to help someone, but the questions are to hard for me or someone answers before me!
anyway my question is:
If the determinant of
a b c
d e f
g h i
is 7
then find the following determinants:
a)
a+2d b+2e c+2f
d e f
g h i
b)
a b c
g h i
d e f
c)
a b c
d e f
5g 5h 5i
My Answer:
i don't even know where to start!
any tips?
anyway my question is:
If the determinant of
a b c
d e f
g h i
is 7
then find the following determinants:
a)
a+2d b+2e c+2f
d e f
g h i
b)
a b c
g h i
d e f
c)
a b c
d e f
5g 5h 5i
My Answer:
i don't even know where to start!
any tips?