Mathematics

Mathematics

Problem

Let

f(x)

and

g(x)

be two differentiable functions on

R

(the set of all real numbers satisfying

f(x)=\frac{x^3}{2}+1-x\int_0^x g(t)\,dt

and

g(x)=x-\int_0^1 f(t)\,dt

). Also

L_1

and

L_2

are the tangent lines drawn to the curve

y=f(x)

and passes through the point

(a,g(a))

on the curve

y=g(x)

. Minimum vertical distance between the two curves

f(x)

and

g(x)

is (a)

\frac{7}{3}

(b)

\frac{1}{6}

(c)

\frac{8}{3}

(d)

\frac{7}{6}

(a)

\frac{7}{3}

(b)

\frac{1}{6}

(c)

\frac{8}{3}

(d)

\frac{7}{6}

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