Question

$if \: \alpha \: and \: beta \: are \: zeros \: of \: polynomial \: \\ f(x) = {2x}^{2} + 11x + 5 \: then \: find \: \\ (a) { \alpha }^{4} + { \beta }^{4} \\ (b) \frac{1}{ \alpha } + \frac{1}{ \beta } - 2 \alpha \beta$
​

Answer 1

Please refer to above attachment.

I hope this won't be disappointing.