If one zero of the quadratic polynomial x² + 4kx + 3 is 3, then the value of k is
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Answer:
k=-1
Step-by-step explanation:
Since 3 is a zero of quadratic
=>3²+4*k*3+3=0
=>9+12k+3=0
=>12+12k=0
=>12k=-12
=>k=-1
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