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Questions  

Number of integral values of x satisfying the inequality x2+6x7|x+2||x+3|<0 is

a
5
b
6
c
7
d
8

detailed solution

Correct option is A

We have x2+6x−7|x+2||x+3|<0Clearly, x≠−2,−3Now, x2+6x−7<0⇒    (x+7)(x−1)<0⇒    x∈(−7,1)−{−3,−2}So, integers are {−6,−5,−4,−1,0}

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Similar Questions

Observer the following lists

List - I

Functions

I. f(x)=sin1log2x

II. g(x)=cos(sinx)

III. h(x)=sin11+x22x

IV. f(x) = g(x) + h(x)

List - II

Domain

a) {-1, 1}

b) {1}

c) {-1}

d) [1, 2]

e) R

The correct matching of List I to List II is


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