For the following questions, choose the correct answers from the codes (a), (b), (c) and (d) def...

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For the following questions, choose the correct answers from the codes (a), (b), (c) and (d) defined as follows.
(a) Statement I is true, Statement II is also true, Statement II is the correct explanation of Statement I
(b) Statement I is true, Statement II is also true, Statement II is not the correct explanation of Statement I
(c) Statement I is true, Statement II is false
(d) Statement \( \mathrm{I} \) is false, Statement II is true
Statement I The equation \( 3 x^{2}+4 a x+b=0 \) has atleast one root in \( (0,1) \), if \( 3+4 a=0 \).

Statement II \( f(x)=3 x^{2}+4 x+b \) is continuous and differentiable in \( (0,1) \).
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