What is the binomial expansion of (x+2y)^7
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I'm assuming that the 1/3 is an exponent.
If so, then![2^{1/3} = \sqrt[3]{2}](https://tex.z-dn.net/?f=2%5E%7B1%2F3%7D%20%3D%20%5Csqrt%5B3%5D%7B2%7D)
Which is the cube root of 2. Raising any value to the 1/3 power is the same as taking the cube root.
If so, then
Which is the cube root of 2. Raising any value to the 1/3 power is the same as taking the cube root.