Which of the following are not like terms of 2 x 2 yz -A- 2 x - y - zB- x2- y zC- x2 y - zD- x - x y - z

The correct option is A 2x×y×z x× xy× z = x^2y× z = x^2yz x^2× yz = x^2yz 2x× y× z = 2xyz x^2y× z = x^2yz 2xyz and 2x^2yz do not have variables raised to th ...

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Standard VII

Mathematics

Addition of Algebraic Expressions

Which of the ...

Question

Which of the following are not like terms of $2 x^{2} y z$ ?

x×xy×z

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2x×y×z

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x²×yz

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x²y×z

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Solution

The correct option is B
2x×y×z

$x \times x y \times z = x^{2} y \times z = x^{2}$ yz

$x^{2} \times y z = x^{2} y z$

$2 x \times y \times z = 2 x y z$

$x^{2} y \times z = x^{2}$ yz

2xyz and $2 x^{2}$ yz do not have variables raised to the same powers. So they are not like terms.

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Which of the following are not like terms of 2x2yz?

The correct option is B 2x×y×z x×xy×z=x2y×z=x2yz x2×yz=x2yz 2x×y×z=2xyz x2y×z=x2yz 2xyz and 2x2yz do not have variables raised to the same powers. So they are not like terms.

Which of the following are not like terms of $2 x^{2} y z$ ?

The correct option is B
2x×y×z

$x \times x y \times z = x^{2} y \times z = x^{2}$ yz

$x^{2} \times y z = x^{2} y z$

$2 x \times y \times z = 2 x y z$

$x^{2} y \times z = x^{2}$ yz

2xyz and $2 x^{2}$ yz do not have variables raised to the same powers. So they are not like terms.