WebOct 13, 2013 · Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange WebExpand : (a + 2 b + 5 c) 2. Medium. Open in App. Solution. Verified by Toppr (a + 2 b + 5 c) 2. According to the equation , (a + b + c) 2 = a 2 + b 2 + c 2 + 2 a b + 2 b c + 2 c a So we get, (a + 2 b + 5 c) 2. Using the formula we can it write it as (a + 2 b + 5 c) 2 = a 2 + (2 b) 2 + (5 c) 2 + 2 a (2 b) + 2 (a b) (5 c) + 2 (5 c) a. On further ...
$a+b+c=0;a^2+b^2+c^2=1$ then $a^4+b^4+c^4$ is equal to …
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Expand the following (i) (4a-b + 2c)^2 (ii) (3a - Sarthaks
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