x = (-5)+2√-4
then find the value of:
x^4 + 9x^3 + 35x^2 - x + 4
pls show proper working.
Devikadevu:
is it root -4
Answers
Answered by
1
x=-5+4=-1
(-1)^4+9(-1)^3+35(-1)^2-(-1)+4
1-9+35+1+4
32
(-1)^4+9(-1)^3+35(-1)^2-(-1)+4
1-9+35+1+4
32
actually square root of (-4) is not 2
no the answer is -160
x would be 4i-5... this is a sum of complex numbers
Answered by
0
32 is the correct answer
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