Question

a3+a2+a+1
Satisfy the equation

Answer 1

Hi ,


a³ + a² + a + 1 = 0

=> a²( a + 1 ) + 1( a + 1 ) = 0

=> ( a + 1 )( a² + 1 ) = 0

a + 1 = 0 or a² + 1 = 0

a = -1 or a² = -1

I hope this helps you.

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