Question

SOLVE THIS
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Answer 1

Answer:

VfB Ch get the latest version for what you want me there have any questions you

Step-by-step explanation:

(a-b)² =a²-2ab+b²

Answer 2

$\\ \\ ans. \: \: sum \: of \: new \: numbers \\ = na + (2 + 4 + 8 + 16 + \: \: \: \: \: \: \: \: \: \: n) \\ \\ \: \: s = \frac{a( {r}^{n } - 1) }{r - 1 } = \frac{2( {2}^{n} - 1)}{2 - 1} = 2 ({2}^{n} - 1) \\ \\ \: \: new \: average \\ = \frac{na + 2( {2}^{n} - 1 )}{n} \\ \\ = a + 2 \frac{ ({2}^{n - 1} )}{n} \: \: \: \: answer.$