find the values of K for which the quadratic equation 4 x square - 3kx + 1 =0 has real and equal roots
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Answer:
+-4/3
Step-by-step explanation:
for real and equal roots D=0
b^2-4ac=0
(-3k)^2-4×4×1=0
9k^2=16
k^2=16/9
k=+-4/3
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