JEE Advanced 2022 Math Paper 2 (Q 12) solution | IIT JEE Maths | #jeeadvanced2022 #projecteducation

Let 𝐺 be a circle of radius 𝑅 greater than 0. Let 𝐺1 ,𝐺2,… ,𝐺𝑛 be 𝑛 circles of equal radius 𝑟 greater than 0. Suppose each of the 𝑛 circles 𝐺1, 𝐺2,…,𝐺𝑛 touches the circle 𝐺 externally. Also, for 𝑖 = 1, 2,…, 𝑛 − 1, the circle 𝐺𝑖 touches 𝐺𝑖+1 externally, and 𝐺𝑛 touches 𝐺1 externally. Then, which of the following
statements is/are TRUE ?
(A) If 𝑛 = 4, then (√2 − 1)𝑟 less than 𝑅
(B) If 𝑛 = 5, then 𝑟 less than 𝑅
(C) If 𝑛 = 8, then (√2 − 1) 𝑟 less than 𝑅
(D) If 𝑛 = 12, then √2 (√3 + 1) 𝑟 greater than 𝑅
JEE Advanced 2022 Math Paper 2 (Q 12) solution | IIT JEE Maths | #jeeadvanced2022 #projecteducation
welcome aboard!!

Hello Learner ,
I am glad that i will able to share my knowledge with you.
let me introduce myself .
I am Anurag Kasaudhan graduated from IIT(ISM) Dhanbad
hoping for, at the end of the video you will be amazed !

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✍relation b/w AM & GM:
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✍important questions of matrix:
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✍limit :-
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✍differential equation :-
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[opnita]

Thnx so..much if u keep uploading I am sure u will hit 10k subs in no time

[shubhamaggarwal]

Sir is this correct to say 2π(R+r) >2r ?

[mukeshchandrasrivastava]

The whole question was based on the graph of cosec only. Jee advanced play with every single topic we think is useless😅 btw.. amazing explanation sir you are an amazing, fabulous maths teacher 🙏🙏🙏

[vidhi]

Sir Can this question be done by comparing the circumference of the formed new circle ( Passing through diameters of small cirle )
2π(R+r)= n2r