Question

limit h tends to 1 h^2 + 2h - 3 / h-1

Answer 1

(h2 +3h -1h-3)/(h-1)

{(h+3)x(h-1)}/(h-1)

after (h-1) ia cancelled because h is tending to 1 and also h is not equal to 1.
 
What remains is lim (h+3) 
 after susbstituting h=1 in this step you will get 

Answer=4

Answer 2

Step-by-step explanation:

first seperate middle value 2

then take common and then in next step cut similar value i.e (h-1)

then in place of h put 1

and answer is 4

thanks..hope it is helpful