2. Polynomials
easy

નીચેનામાંથી કઈ અભિવ્યક્તિઓ બહુપદી છે ? તમારા જવાબ માટે કારણ આપો. 

$\frac{1}{5 x^{-2}}+5 x+7$

Option A
Option B
Option C
Option D

Solution

$\frac{1}{5 x^{-2}}+5 x+7=\frac{1}{5} x^{2}+5 x+7$

In each term of this expression, the exponent of the variable $x$ is a whole number.

Hence, it is a polynomial.

Standard 9
Mathematics

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