@prabhavkumar3986
(a-b)^2 = (a+b)^2 - 4ab
@ajadbhai7398
Those who cant understand A+b whole squre is a2plus b2 plus 2ab thus substitute a2 plus b2 by a-b whole square thus we get to another 2ab add them you get 4ab and so on take a pen copy and solveit by yourselves you will get it
@Vikram.3708
Trick for this Q. Root n²-4
@nishantchauhan9166
Take x^99 as any other variable say y,apne aap solve kr luge
@taragoswami2664
√a²-4 a=13 √13²-4 √169-4 √165 answer
@Abhinab_Kalita
Lol.. ,consider x⁹⁹=a then (a+ 1/a)²= 169 a²+1/a²=169 -2 (a- 1/a)²=y² 169-2-2=y² y=root under 165.........chilll
@crazyeducators7185
Sir -4 How will come.
@thegameoflife5722
Concept se krlo 2 min m ho jayenge trick ke piche mt bhago
@binaykumar6084
13 ka square 169- hai+me hoga 169+2=171
@jayantsaab2752
4 Kaha se Aaya pehle ye btao
@hindityping8982
Rule √n2-4
@Mathstricks4578
Sir 4 kaisa aaya
@LenMangte-b3b
For those who can't understand Go read your book instead of reading comment
@Son.Ali_24
Underroot 13^2-4
@priyadarshangarg1051
Those who don't know this problem could be done by Am greater or equal to Gm
@Akshaykumarmaths
Nice solution❤
@Anant_2030
Isme agar power different hogi tabhi yahi trick lagegi.pls reply
@ashutoshsingh7967
The correct ans for this problem is √11
@laggingsniper6165
Bhai logic to batao.. kis logic k basis pe steps kia?
@JeetanKumarUpadhyayUpadhyay