can any one answer me the second on of polynomial.plz
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![\frac{a1}{a2} = \frac{b1}{b2} = \frac{c1}{c2} \\ \frac{k}{16} = \frac{4}{k} = \frac{k - 4}{k} \\ {k}^{2} = 64 \\ k = + - 8 \: \: - (1) \\ \frac{4}{k} = \frac{k - 4}{k} \\ 4k = {k}^{2} - 4k \\ 8k = {k }^{2} \\ k = 0 \: and \: 8 \: \: - (2) \\ from \: (1) \: and \: (2) \: \\ k = 8 \frac{a1}{a2} = \frac{b1}{b2} = \frac{c1}{c2} \\ \frac{k}{16} = \frac{4}{k} = \frac{k - 4}{k} \\ {k}^{2} = 64 \\ k = + - 8 \: \: - (1) \\ \frac{4}{k} = \frac{k - 4}{k} \\ 4k = {k}^{2} - 4k \\ 8k = {k }^{2} \\ k = 0 \: and \: 8 \: \: - (2) \\ from \: (1) \: and \: (2) \: \\ k = 8](https://tex.z-dn.net/?f=+%5Cfrac%7Ba1%7D%7Ba2%7D++%3D++%5Cfrac%7Bb1%7D%7Bb2%7D++%3D++%5Cfrac%7Bc1%7D%7Bc2%7D++%5C%5C++%5Cfrac%7Bk%7D%7B16%7D++%3D++%5Cfrac%7B4%7D%7Bk%7D++%3D++%5Cfrac%7Bk+-+4%7D%7Bk%7D++%5C%5C+++%7Bk%7D%5E%7B2%7D+++%3D+64+%5C%5C+k+%3D+++%2B++-+8+++%5C%3A++%5C%3A++-+%281%29+%5C%5C++%5Cfrac%7B4%7D%7Bk%7D++%3D++%5Cfrac%7Bk+-+4%7D%7Bk%7D++%5C%5C+4k+%3D++%7Bk%7D%5E%7B2%7D++-+4k+%5C%5C+8k+%3D++%7Bk+%7D%5E%7B2%7D++%5C%5C+k+%3D+0+%5C%3A+and+%5C%3A+8++%5C%3A++%5C%3A++-+%282%29+%5C%5C+from+%5C%3A+%281%29+%5C%3A+and+%5C%3A+%282%29+%5C%3A++%5C%5C+k+%3D+8)
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