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7. A = {x:-3 < x <5, x = R}, B = {x : -1<x<8, x = R}. Represent
(i) AB
(ii) AB’ on different number lines.
By Alaia

7. A = {x:-3 < x <5, x = R}, B = {x : -1<x<8, x = R}. Represent
(i) AB
(ii) AB’ on different number lines.
Write down:
(iii) the least value of AB’
(iv) the greatest value of AB.​

About the author
Alaia

(ANSWER QUICK PLEASE)
Which properties justify the steps taken to solve the system?

{2a+7b=0
{3a−5b=31

What if a fixed amount is Rs. 2600 in three years and Rs. 2800 in four years?​

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