Math, asked by laharikanapuram, 9 days ago

which of the following expressions are polynomials? Give reasons?
 \sqrt{3 {x }^{2} }  + 5y

Answers

Answered by guptaananya2005
1

Answer:

Yes it's a polynomial

Step-by-step explanation:

 \sqrt{3 {x}^{2} }  + 5y

 =  \sqrt{3} x + y

As variables are from radicals, so it's a polynomial

Answered by riyac0043
1

(i)4x

2

+5x−2=4x

2

+5x

1

−2x

0

Here power of the equation is 2,1 and 0

Since all powers are whole number, it is a polynomial.

Now, since there is only one variable x,

it is a polynomial in one variable.

(ii)y

2

Here power of the equation is 2

Since all powers are whole number, it is a polynomial.

Now, since there is only one variable y,

it is a polynomial in one variable.

(iii)5=5x

0

Here power of the equation is 0

Now, since there is only no variable or power of the variable is zero which is a whole number

it is a polynomial and known as constant polynomial.

(iv)2x

2

+

x

3

−5=2x

2

+3x

−1

−5x

0

Here power of the equation is 2,−1 and 0

Since −1 is not a whole number, it is not a polynomial.

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