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For which value will the zero of ((n+4)x+2n-1) be (1)?

Answer and explanation

Correct answer: \(n=-1\)

Since \(x=1\) is a zero of the polynomial, \((n+4)(1)+2n-1=0\). Simplifying gives \(n+4+2n-1=0\), so \(3n+3=0\). Hence, \(n=-1\). Substituting \(n=-\frac{1}{3}\) does not make the polynomial zero. Exam tip: substitute the given zero into the polynomial and equate the result to 0.

Related tags

PolynomialsLinear PolynomialsZero Of PolynomialParameter EquationsAlgebraIntroduction To PolynomialsMathematicsClass 9 Mcq

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