if (x-1)(6-x)>0 and x is element of N find x
Attachments:

Answers
Answered by
2
hi there!!!!
♦ (x-1)(6-x)>0
♦(x-1)(-1)(x-6)>0
multiplying -1 on both sides ,the sign changes ...
♦(x-1)(x-6)<0
if x>6. ex;- x=7; (7-1)(7-6)=6>0...so x should not be greater than 6
if x<1.ex:- let x=0 , (0-1)(0-6)=6>0...so x should not be less than 1.
so,
♦ 1<x<6
I hope this will help u ;)
♥dhathri123♥
♦ (x-1)(6-x)>0
♦(x-1)(-1)(x-6)>0
multiplying -1 on both sides ,the sign changes ...
♦(x-1)(x-6)<0
if x>6. ex;- x=7; (7-1)(7-6)=6>0...so x should not be greater than 6
if x<1.ex:- let x=0 , (0-1)(0-6)=6>0...so x should not be less than 1.
so,
♦ 1<x<6
I hope this will help u ;)
♥dhathri123♥
kingved:
?????
Similar questions