In the expansion of (1 + x + y + z)^4 the rat | vedclass

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Question

${(1 + x + y + z)^4} 	o $ coefficient of $x^{2} y, x y^{2} z, x y z$

$\left( {^4{c_1}{\,^3}{c_2}{\,^1}{c_1}} ight),\left( {{\,^4}{c_1}{\,^3}{c_2

Vedclass · Accepted Answer

$1 : 1 : 2$

Vedclass · Answer

${(1 + x + y + z)^4} 	o $ coefficient of $x^{2} y, x y^{2} z, x y z$

$\left( {^4{c_1}{\,^3}{c_2}{\,^1}{c_1}} ight),\left( {{\,^4}{c_1}{\,^3}{c_2}{\,^1}{c_1}} ight),\left( {^4{c_1}{\,^3}{c_1}{\,^2}{c_1}{\,^1}{c_1}} ight)$

$12: 12: 24$

$1: 1: 2$

In the expansion of $(1 + x + y + z)^4$ the ratio of coefficient of $x^2y, xy^2z, xyz$ are

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