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How to get the complete square ?

Posted 3 months ago
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Why this simple case cannot be simplified to Complete Square form

2 Replies
Posted 3 months ago

Hi Yuhai,

The problem is that Subsuperscript is just notation, there is no Power in the expression. Use Power instead.

eq = 1/4 Subscript[n, 1]^4 + 1/2 Subscript[n, 2]^2 Subscript[n, 1]^2 + 1/4 Subscript[n, 2]^4
Simplify@eq

$$\frac{1}{4} \left(n_1^2+n_2^2\right){}^2$$

Posted 3 months ago

Thanks.

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