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29.01.2020 •
Mathematics
:polonymal :
question : find a,b and c.
2x^3 +3x^2 -4x -5 = a(x+1)^3 +b(x+1)^2 +c(x+1)
for explaining
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Ответ:
Since this must be the same as , you need to satisfy
The solution for is already given, . Substitute this into the second equation to find .
Now plug into either remaining equation to find .
And just to check that the third equation is also satisfied,
Ответ:
about 137 degrees
Step-by-step explanation:
see attached picture