Question

What will be the answers and how it happens ???

Answer 1

Step-by-step explanation:

1- lim (x²-9)/(x+3)

x-->-3

lim (x+3)( x-3)/(x+3)

x-->-3

lim (x-3)

x-->-3

-3-3

=-6 (answer)

2-

integration of 1/x w.r.t dx

is same as differentiation of ln x(log x)

w.r.t dx...

so,the answer is lnx...