Maths Application of Derivatives part 5 (Example Rate of Change quantity) CBSE Mathematics XII 12

Maths Application of Derivatives part 5 (Examples Rate of Change of quantity) CBSE Mathematics XII 12

[manikanta]

its 2cm/s only
we have to convert it in m/s
i.e (2/100)m/s=(.02)m/s

and dy/dt= (- .08/3) m/s
i.e (8/3)cm/s.

[merinphilip]

u hav changed the X nd Y in 2 diag(2:15)...pls check it

[suvodipjana]

there is a mistake in last ques final ans will be 27/8pie (2x+1)^2.. PLZZ correct it. THANKS fr the video

[yeet_them_childrens]

Damn....legend teach it I fully don't understand it

[sharifashaikh]

SIR in the last sum instead of 2 u had taken 4 .... but the ans is correcr

[sureshnayak]

@ 1 st one..its wrong!!!! 'cause uve changed x and y dx/dt=2 cm/s dy/dt=?
 and what about x???? how did u get x=4?