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[lotlufs]

Guys, We can solve it as follows:-
Taking the equation and squaring on bothe sides then
(x⁹⁹+1/x⁹⁹)²=169
Applying (a+b)²=(a-b)²+4ab we get
(x⁹⁹-1/x⁹⁹)²+4×x⁹⁹×1/x⁹⁹=169
(x⁹⁹-1/⁹⁹)²+4=169
By subtracting 4 from both sides we get
(x⁹⁹-1/x⁹⁹)²=165
By Rooting both sides we get
x⁹⁹-1/x⁹⁹=√165
So his method is right and we get 4 from applying all the identity

[ajadbhai]

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

[nishantchauhan]

Take x^99 as any other variable say y, apne aap solve kr luge

[binaykumar]

13 ka square 169- hai+me hoga 169+2=171

[thegameoflife]

Concept se krlo 2 min m ho jayenge trick ke piche mt bhago

[laggingsniper]

Bhai logic to batao.. kis logic k basis pe steps kia?

[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

[priyadarshangarg]

Those who don't know this problem could be done by Am greater or equal to Gm

[ragnarlothbrok]

Agar X ke power me even no. Hua tb bhi aise hi krenge? Jaise X^98

[vaibhavandguitar]

Bro cube root wale question me square root ka formula laga krr aspirants ko ullu MTT banao yrr😢

[ashutoshsingh]

The correct ans for this problem is √11

[hemantpatelmohanpatel]

Sir Ye 4 kanha se aya sir please bataiyye sir 🙏🙏🙏

[BknowledgeA]

Me from 11th class done it with minute with proper method 🤗🤗🤗🤗🤗🤗