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Why is (x^{-5}+9x) not a polynomial?

Answer and explanation

Correct answer: क्योंकि x की एक घात ऋणात्मक है

In a polynomial, the exponent of a variable must be 0 or a positive integer. This expression contains x^{-5}, where the exponent of x is -5, so it is not a polynomial. The term 9x is a valid linear term; having two terms or an addition sign does not prevent an expression from being a polynomial. Exam tip: An expression with a negative, fractional, or variable exponent is not a polynomial.

Related tags

PolynomialsDefinition Of PolynomialNegative ExponentsAlgebraClass 9Definition Of A PolynomialIntroduction To PolynomialsMathematics

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