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Maths Puzzle
If x+1 is a factor of ax^4+bx^3+cx^2+dx+ e, then which one of the following is true?
A) a+c+e=b+d B) a+b=c-d C) a+b+c+d+e=0 D)a+c+b=d+e
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- ANS:A
REASON:If x+1 is the factor, then we can substitute x=-1 (x+1=0) in the given equation.
Then the equation becomes
a-b+c-d+e=0.so option (A) is the ans. - 11 years agoHelpfull: Yes(2) No(0)
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