Can You Guess the Real Roots? #maths #jeeadvanced #jeepreparation #mathsforjee #jeemain #jee #iitjee

1

Sir main 2027 aspirant hun.
Meri coaching me quadratic equations atart kar kiya.
Please do question sessions on QE sir

B

Option b (1)

1

Ye ye dekh ke bhi ho gyega ki x ki value +x rakhne par kitni naar sogn change hoga aur x ki value -x rakhne par kitni baar sing change hoga + mai koi sign change nhi hai tho no real solution aur - mai tho 1 baar hoga tho 1 real solution tho fer ek real solution hai iska

Option b)

1

Increasing function does not always cut the real line !!

It cuts the real line if there are at least two points a, b say in R such that f(a)<0 and f(b)>0.

Be careful, don't make these important mistakes 🙏

1

B

Ok sir

B

Pen /.pan

Thnaku so much sir mujhe is typeke question jaldi nhi samajh a rha tha lekin ab samajh gya..ki derivatives and power even h to inc. hoga

1

Sir option B....... sir please bring more pyq series ❤❤❤❤

Option B
F(x) =++++
F(-x)=---+
In both case we see only one time sign change . So real solution is only one

1

Correct Answer: (B)
As it is also an increasing function.

Purely galat: An increasing function does not necessarily cut the x-axis. Example e^x

Odd degree polynomial ka ek minimum real root rahe ga, aur f'(x)>0 that means it's never cuts x axis again. So one root .

Option b sir

Sir please ek dedicated one shot bana sakte ho aap graphical transformations par because kaii questions graph se solve hojate h aur jo simple graph transformations h vo to easily draw hojati h but kai baar complex bhi aajate h thode unme dikkat aati h to please

Option b

Option (B) 1

Sir ye Cap appe mast lag rha

Thanks sir batane ke liye

BB BB

B option

1

B is correct option

Descartes se bhi same aara hai and zyaada easily aara hai

Answer: Option(B)

Ninja hack: Whenever you'll see a function to only have odd powers then it'll only have only 1 real solution.

Thank you 👍

Option (b)

Sir , really you are great marvellous , at the age of 90 you charge me .long live

Option (b) 1 solution

Ok

Nahi smajha?
Matlab?

Option b (1)

Option b sir

1

1 root

Answer option b (1) by same process ❤

Aur decreasing me kine soln hote ha