Let denotes the set of values of for which and denotes the set of values of for which

MATHEMATICS · Single correct · ISC · Mathematics · Algebra · Algebra

Problem

Let

A

denotes the set of values of

x

for which

\frac{x+2}{x-4} \le 0

and

B

denotes the set of values of

x

for which

x^2 - ax - 4 \le 0

. If

B

is the subset of

A

, then a CAN NOT take the integral value: (a) 0 (b) 1 (c) 2 (d) 3