1.

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:(i) 3x2 − 4x + 15(ii) y2 + 23(iii) 3x+2x(iv) x-4x(v) x12 + y3 + t50

Answer» Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:



(i) 3x2 − 4x + 15



(ii) y2 + 23



(iii) 3x+2x



(iv) x-4x



(v) x12 + y3 + t50


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