What is expand ((i+j)\times i)\times j ?

The solution to expand ((i+j)\times i)\times j is i^2j+ij^2

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expand ((i+j)\times i)\times j

expand

((i + j) \cdot i) \cdot j

i^{2} j + i j^{2}

Solution steps

((i + j) i) j

Remove parentheses:

(a) = a

= (i + j) ij

= ij (i + j)

Apply the distributive law:

a (b + c) = ab + a c

a = ij, b = i, c = j

= iji + ijj

= iij + ijj

Simplify

iij + ijj : i^{2} j + i j^{2}

= i^{2} j + i j^{2}

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y_{0} (i cos (y_{1}) + n_{0} sin (y_{1}))

(i + k + j + 2) (i + ik + kj + j)^{2}

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What is expand ((i+j)\times i)\times j ?
The solution to expand ((i+j)\times i)\times j is i^2j+ij^2