20 Replies
@Gyro Gearloose
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(After you have radius of curvature, you can just use lens maker's formula)
Hate geometry π
Also I have no idea what binomial theorem is yeah we have used it for derivation but i don't know it
It is just an approximation like when (1+x)^n n is the power if here βxβ tends to zero we can write the whole thing as 1+nx
But the power isn't zero
here u can replace x by any function if it tends to zero
Sach bolu
Power thodi zero krna hai
Kuch smj nhi aaya π
Let me write it down then
Hnn
To meri thodi daloge π

isse saral shabdo me isko bayan ni kr pauga meπββοΈπ
acha yaha apka x ye hai 0.6/r
To lance ne whi kia hai jo power 2 thi usko aage lake 0.3 ko 0.6 krdia
Par mera x almost zero kaha hai π
0.6/r?
:uhh:
Ye zero hai?
+solved @SirLancelotDuLac
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