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Question
If y = 2x2 + 22 + a2, then `"dy"/"dx" = ?`
Options
x
4x
2x
-2x
4x + 2a
4x + 4
MCQ
Sum
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Solution
4x
Explanation:
y = 2x2 + 22 + a2
Differentiating both sides w.r.t.x, we get
`"dy"/"dx"` = 2(2x) + 0 + 0 = 4x
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