if x+1/x=-1 then find the value of x^8+2x^6+x^4
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x+1+ x = 0
x = w , w^2
W^2 + 2 + W = 1
W = OMEGA , CUBE ROOT OF UNITY
x = w , w^2
W^2 + 2 + W = 1
W = OMEGA , CUBE ROOT OF UNITY
sukanya48:
its x+1/x
4 answers r there u have to choose one answer
options r 0,-1,1,2
show me how
k.thank u
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