Sequoyah
Sequoyah
01-01-2018
Mathematics
contestada
What are the domain restrictions of ?
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mreijepatmat
mreijepatmat
01-01-2018
The denominator : q² - 3q - 4 should be ≠ 0.
Let's find the zero values of this quadratic equation:
q' = [-b+√(b²-4.a.c)]/2.a and q'' = [-b-√(b
²-4.a.c)]/2.a
you will fond q' = 4 and q'' = -1
Then the restrictions are :
q
≠ 4 and q ≠ - 1 (1st answer)
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