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प्रश्न
If y = (log x)2 the `dy/dx` = ______.
उत्तर
If y = (log x)2 the `dy/dx` = `bbunderline((2 log x) 1/x = (2 log x)/x)`.
Explanation:
y = (log x)2
∴ `"dy"/("d"x) = 2log x."d"/("d"x)(log x)`
= `(2.logx)/x`
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