Question

Find the second derivatives of the following: (i) y = 7x2 + 6x - 5​

Answer 1

Answer:

the question’s answer is 15 x

Answer 2

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HERE IS UR ANSWER

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$y = 7 {x}^{2} + 6x - 5$

$\fbox{♤1st derivative}$

$y' = 7 \times 2x + 6 + 0 \\ y' = 14x + 6$

$\fbox{♤2nd derivative}$

$y'' = 14 + 0 \\ y'' = 14 \: ans..$