2. If x = 2 is a root of the polynomial f(x) = 2x2 - 3x + 7a. Find the value of a peints
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=> 2x^2 - 3x + 7a = 0
x = 2
=> 2(2)^2 - 3(2) + 7a = 0
=> 8 - 6 + 7a = 0
=> 2+7a = 0
=> 7a = -2
=> a = -2/7
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