Question

is root 5x +7 a polynomial​

Answer 1

$\underline{\pink{ Polynomial : }}$

An algebraic expression in which the variables involved have only non - negative integral powers is called a polynomial.

$i) \sqrt{5} x + 7 \: is \: a \: \blue{ polynomial}$

$ii) \sqrt{5x} + 7 \: is \: not \:a \: polynomial$

$Because, \: first \:term \: \sqrt{5} x^{\frac{1}{2}}$

$is \: a \:term \: with \: an \: exponent \: that$

$is \: not \: a \: non - negative \: Integer (i.e. \frac{1}{2} )$

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