In the expression : \[(1-x)^{10}\]

What is the sum of all positive coefficients??

**Details & Assumptions**

\(\bullet\) In expression \((a+b)^{2}\) , on expanding we get \(a^2+2ab+b^2\) .Thus, coefficients are \(1,2,1\) and sum of coefficients is \(4\)

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