if alpha and beta are 2 roots of the equation 2x^2 - x + 1/8 = 0. Then (Alpha + Beta) is ?
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2x² - x + 1/8 = 0
=> 2x² - x/2 - x/2 + 1/8 = 0
=> x(2x-1/2) - 1/4(2x-x/2) = 0
=> (x-1/4)(2x-1/2)=0
=> x = 1/4,1/4
=> a+b = 1/4+1/4 = 1/2
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