Question

differentiation of 2x​

Answer 1

ʰᵉʸᵃ ᵐᵃᵗᵉ ʰᵉʳᵉ ⁱˢ ʸᵒᵘʳ ᵃⁿˢʷᵉʳ 

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$\frac{d}{dx} (2x) = 2 \frac{d}{dx} x + x \frac{d}{dx} 2 = 2 + 0 = 2$

So, your answer is 2.

Answer 2

$\frac{d}{dx} (2x) = \frac{d}{dx}2 \times x + 2\frac{dx}{dx} \\ = 0 + 2 \\ = 2$