Which one of the following expression is a trinomial in three variables?

9 y + 3 - Q

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h s^{3} + 27 a b^{2} - s^{2}

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a^{2} - b^{3} - y^{5}

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9 k^{4} + y^{5} + 12

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Solution

The correct option is A $a^{2} - b^{3} - y^{5}$
An algebraic expression consisting of three terms is called a trinomial expression,
Here all the expressions are trinomial but only $a^{2} - b^{3} - y^{5}$ has $3$ variables which are $a, b$ and $y$ .

So, $a^{2} - b^{3} - y^{5}$ is a trimonial in three variables .

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Similar questions

h s^{3} + 27 a b^{2} - s^{2}

is an example of

Which of the following expressions is a polynomial in one variable?
(a) $x + \frac{2}{x} + 3$
(b) $3 \sqrt{x} + \frac{2}{\sqrt{x}} + 5$
(c) $\sqrt{2} x^{2} - \sqrt{3} x + 6$
(d) $x^{10} + y^{5} + 8$

Q. Which of the following expressions is a polynomial in one variable?
(a)

x + \frac{2}{x} + 3

(b)

3 \sqrt{x} + \frac{2}{\sqrt{x}} + 5

(c)

\sqrt{2} x^{2} - \sqrt{3} x + 6

(d) x¹⁰ + y⁵ + 8

Q. If y+

\frac{1}{y}

=3 then the value of

y^{5} + \frac{1}{y^{5}}

Q. Write the following polynomials in standard form.

(i)

m^{3} + 3 + 5 m

(ii)

- 7 y + y^{5} + 3 y^{3} - \frac{1}{2} + 2 y^{4} - y^{2}

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Which one of the following expression is a trinomial in three variables?

The correct option is A a2−b3−y5An algebraic expression consisting of three terms is called a trinomial expression,Here all the expressions are trinomial but only a2−b3−y5 has 3 variables which are a,b and y.So, a2−b3−y5 is a trimonial in three variables .