Question

(D^2 - 4D + 1)y = e^2x .sinx

Answer 1

Answer:

In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: القلوي‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or an alkaline

Step-by-step explanation:

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