Let X be the 3 x 3 matrix such that left-multiplication by X has the same effect as applying the following sequence of row operations: 1. R₁ R₁ +2R₂ 2. Ra Rs- R₂ 3. R₁ Rs 4. R₂ R₂ What is the (1, 2)-entry of X? 2 0 1 O-1

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A: To solve the higher order differential equation.

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A: The sum of two positive real numbers x and y is 12.

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A: Here we have to solve the differential equation.

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A: ∫ un du = un+1n+1+C ∫ cos(ax) dx =sin(ax)a+C

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A: ∫un du = un+1n+1 +C .

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A: Topic = Matrix

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A: As you mentioned question no. 3 solved

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A: We can solve the question as below and as per the asked method.

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