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Which of the following is a polynomial?(A) x2 – 5x + 4√x + 3(B) x3/2 – x + x1/2 + 1(C) √x + 1/√x(D) √2x2 - 3√3x + √6

Answer»

Answer: (D) √2x2 - 3√3x + √6

An expression of the form p(x) = a0 + a1x + a2x2 + ….. + anxn, where an ≠ 0, is called a polynomial in x of degree n. 
Here, a0, a1, a2, ……, an are real numbers and each power of x is a non-negative integer.
Hence, √2x2 - 3√3x + √6 is a polynomial. 



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