24 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.@Shreya send ur solution pls
b to mera gya hai intercept k formulae se..
a me quadritic ara hai so waha se ni aaya a
@SchrodingerBilla
Lemme get papar and pen
okay..
Are just compare x co-ordinates
@Shreya
I thought you were getting a option
Nvm
no, options check kar ke mera ans D to a gya because b ki value easily mil gyi but a mera kuch beta and gama ke terms me aya with root..
also smol thing
keep the title of the doubt the topic of the doubt instead of subject
makes it easier to find later on
okay ill do it next time
yee baaki good question this was
i remember doing this during circles
cant remember shit now
yea its a pyq though
do i hve to create seprate thread for maths related doubts or i can post here only @Phalawor
new thread for each doubt
later youll be closing it out using the +solved @jisne bhi solve kara command
okay
thanks flower. @Shreya if your doubt is sorted, you can close it out!
Thanks for helping out folks
it is too much cognitive load to type out your spelling :P bura mat maanna xD
bua ji ke kaam hai sir
im just a simple flower
bua ji ne bihari bana diya mujhe ðŸ˜
(nothing weong with being bihari just clearing that)
um i hvent understood it yet sir
alright!
right off the bat, the stuff on the right seems like the discriminant of the root of a quad eqn
yhou have formed a quad eqn too
which came from the distance formula, right?
its a direct formula but yea it is derived from distance formula itself so yup ur right
but the value im getting from there aint even matching options though
radius tak sahi hai. iske baad ka step you have to form from the constraint that it touches the x axis at a, 0 correct?
hence, alpha = 2a, do you get that?
since the centre would be at (a, -r) where r is the radius? (Assuming circle is below the y axis)
then uske baad what you have done usme you can sub, that is correct, so you get gamma = 3 a^2
then use intercept on y axis (i.e. x = 0) and solve for y and you are done :)
does this track?
Sir ne jo bola vahi hai... X coordinate compare karo
okkyy ill check it out once again
fir close kar dungi
+solved @SchrodingerBilla
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