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  • Write the following as intervals : (i) {x : x element of R, – 4 <x<=  6} (ii) {x : x element of R, – 12< x <–10} (iii) {x : x  R, 0 <= x < 7} (iv) {x : x  R, 3 <=  x  <= 4}

Q.6 Write the following as intervals :

(i) {x : x \inR, – 4 < x \leq 6}

(ii) {x : x \in R, – 12 <x <–10}

(iii) {x : x \in R, 0 \leq x < 7}

(iv) {x : x \in R, 3 \leq  x \leq  4}

Answers (1)

The following can be written in interval as : 

(i) {x : x \inR, – 4 < x \leq 6} = \left ( -4 ,6 \right ]

(ii) {x : x \in R, – 12 <x <–10} = \left ( -12,-10 \right ) 

(iii) {x : x \in R, 0 \leq x < 7} = \left \left [ 0,7\right )

(iv) (iv) {x : x \in R, 3 \leq  x \leq  4} =\left [ 3,4 \right ]

 

 

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Safeer PP

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