if x=1/2 is a zero of a polynomial 3x^3+ax^2-4x+3 find value of a
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Step-by-step explanation:
3x^3+ax^2-4x+3=0[given x=1/2]
=>9x^+2ax^-4x+3=0
=>9(1/2)^+2a(1/2)^-4×1/2+3=0
=>9×1/4+2a1/4-2+3=0
=>9/4+2a/4-1=0
=>9+2a-4/4=0
=>9+2a-4=0
=>2a+13=0
=>2a=-13
Therefore,a=-13/2
Hope it will help u
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