Question about Wavy Curve method (inequalities)
I thought the solution would be x belongs to [1,5] but it includes some values which would lead to positive outcomes too, how is this possible? Thanks
12 Replies
@Apu
Note for OP
+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.DUDE I ASKED A SIMILAR QUESTION JUST LIKE 30s AGO LMAOO
because it's 0 at -2, tbh wavy curve method is shit
No way
heil yea man
There's this Simple trick
-> just change the sign of the curve through the critical point if the power to the term containing critical point is odd
And if it's even just don't change the sign
Oh because it just fulfils the equals to zero thing bruh
Thanks, so if there's an inequality where there's less than or equal to zero/more than or equal to zero, we include all the critical points as they are at zero?
i had the same problem too lmaooooo(yes it does i just learnt that via doubt)
Yup
And if there's the strict inequality you don't count'em
Thank you
+solved @Sam
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