The happiness(H) of a person depends upon the money he earned(m) and the time spend by him with his family(h) and is given by equation H=f(m,h)=400mh2 whereas the money earned by him is also depends upon the time spend by him with his family and is given by m(h)= (1-h2). Find the time spend by him with his family so that the happiness of a person is maximum.

The happiness(H) of a person depends upon the money he earned(m) and t

1.	The happiness(H) of a person depends upon the money he earned(m) and the time spend by him with his family(h) and is given by equation H=f(m,h)=400mh² whereas the money earned by him is also depends upon the time spend by him with his family and is given by m(h)= (1-h²). Find the time spend by him with his family so that the happiness of a person is maximum.
A.	(<sup>1</sup> <sub>3</sub>)
B.	(<sup>2</sup> <sub>3</sub>)
C.	(<sup>4</sup> <sub>3</sub>)
D.	0
Answer» C. (<sup>4</sup> <sub>3</sub>)