सही उत्तर: (A) 2x² + √x + 7
Bahupad me ghaatank poorn sankhya (non-negative integer) hone chahiye। 2x²+√x+7 me √x = x^(1/2) ek bhinnatmak ghaatank hai, isliye yah bahupad nahi hai.
(A) 2x² + √x + 7