Let x3 - x5 2x6 - 3x4 - 120 - a0 - a1x - a2x2- - a125x125- Then a0 - a23 - a45 - a67- - a124125-

Given, ( x^3 + x^5)( 2x^6 + 3x^4 1)^20 = a_0 + a_1x + a_2x^2........ + a_125x^125. #160;or, #160; x( x^2 + x^4)( 2x^6 + 3x^4 1)^20 = a_0 + a_1x ...

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Properties of Iota

Let x3 + x5...

Question

Let $(x^{3} + x^{5}) {(2 x^{6} + 3 x^{4} - 1)}^{20} = a_{0} + a_{1} x + a_{2} x^{2} . . . . . . . . + a_{125} x^{125} .$ Then
$a_{0} - \frac{a_{2}}{3} + \frac{a_{4}}{5} - \frac{a_{6}}{7} . . . . . . . + \frac{a_{124}}{125} =$

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