Q73 of 354 Page 11

If xy = 4, prove that .

Given xy = 4



On differentiating y with respect to x, we get





We know





Now, we will evaluate the LHS of the given equation.






However, xy = 4





[∵ xy = 4]


Thus,


More from this chapter

All 354 →
71

If y = ex + e–x, prove that .

 72

If prove that .

 74

If prove that .

 1

Differentiate the following functions with respect to x: