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AnilSinghBora
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Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4×2–3x+7 Q.1(1)

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How i can i solve this problem of class 9th ncert of exercise 2.1 of polynomials of math book. Give me the best way for solving this equations in easy and simple way,  Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4×2–3x+7

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  1. The equation 4x2–3x+7 can be written as 4x2–3x1+7x0

    Since x is the only variable in the given equation and the powers of x (i.e., 2, 1 and 0) are whole numbers, we can say that the expression 4x2–3x+7 is a polynomial in one variable.

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