Identify the like terms in the following-i a2- b2-2 a2- c2- 4 aii 3 x- 4 x y-y z- 12 z yiii -2 x y2- x2 y- 5 y2 x- x2 ziv a b c- a b2 c- a c b2- c2 a b- b2 a c- a2 b c- c a b2

The terms that have same literals are called like terms. (i) nbsp; a2 and 2a2 are like terms. (ii) nbsp; yz #160;and #160;12zy are like terms. (iii) ...

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Standard VII

Mathematics

Like and Unlike Terms

Identify the ...

Question

Identify the like terms in the following:
(i) a² , b², −2a², c², 4a
(ii) 3x, 4xy, -yz,12zy
(iii) −2xy², x²y, 5y²x, x²z
(iv) abc, ab²c, acb², c²ab, b²ac, a²bc, cab²

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Solution

The terms that have same literals are called like terms.
(i) a² and -2a² are like terms.
(ii) -yz and 12zy are like terms.
(iii) −2xy² and 5y²x are like terms.
(iv) ab²c , acb² , b²ac and cab² are like terms.

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(ii)

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(iii)

a b c + a b^{2} c + 2 a c b^{2} + 3 c^{2} a b + b^{2} a c - 2 a^{2} b c + 3 c a b^{2}

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Q. Identify and write the like terms in each of the following groups.
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Q. Group the like terms together.

\frac{- 3}{5} x^{2} y z, - 7 x^{2} y, \frac{11}{6} x^{2} y z, 6 {x y}^{2}, \frac{3}{2} x^{2} y, \frac{7}{2} {x y}^{2}

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Identify the like terms in the following:(i) a2 , b2, −2a2, c2, 4a(ii) 3x, 4xy, -yz,12zy(iii) −2xy2, x2y, 5y2x, x2z(iv) abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2

The terms that have same literals are called like terms.(i) a2 and -2a2 are like terms.(ii) -yz and 12zy are like terms.(iii) −2xy2 and 5y2x are like terms.(iv) ab2c , acb2 , b2ac and cab2 are like terms.

Identify the like terms in the following:
(i) a² , b², −2a², c², 4a
(ii) 3x, 4xy, -yz,12zy
(iii) −2xy², x²y, 5y²x, x²z
(iv) abc, ab²c, acb², c²ab, b²ac, a²bc, cab²

The terms that have same literals are called like terms.
(i) a² and -2a² are like terms.
(ii) -yz and 12zy are like terms.
(iii) −2xy² and 5y²x are like terms.
(iv) ab²c , acb² , b²ac and cab² are like terms.