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  • Solution of  Option: 1 <img alt="(-\infty,-1]\cup[2

Solution of (x+1)(x-2)\geq 0 

Option: 1

(-\infty,-1]\cup[2,\infty)


Option: 2

(-\infty,-1)\cup [2,\infty )


Option: 3

(-1,2)


Option: 4

[-1,2]


Answers (1)

best_answer

As the inequation is in standard form, we can make its sign scheme.

Roots : x = -1,2

So solution is 

(-\infty ,-1]\cup [2,\infty)

Posted by

vishal kumar

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