Send the following on WhatsApp
Continue to ChatEx 5.7, 14 - Chapter 5 Class 12 Continuity and Differentiability https://teachoo.com//3709/1234/Ex-5.7--14---If-y--A-emx---B-enx--show-d2y-dx2---(m---n)/category/Finding-second-order-derivatives--Implicit-form/