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Mathematics, 26.09.2021 22:40 PlzNoToxicBan

When Helen expands (ax+b)^3, she gets the coefficient of x to be 441 and the coefficient of x^2 to be 189. Find the value of a/b.

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When Helen expands , she gets the coefficient of x to be 441 and the coefficient of to be 189. Find...

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