Question

what is the value of x square + y square -10at x=0 and y =0

Answer 1

Answer:

Answer

We have,

xy=25

differentiatew.r.tox

put

⇒y=

x

25

then,minimumvalueof(x+y)

⇒x+y=

⇒x+

x

25

⇒a−

x

2

25

=0,x=5

hence,minimumvalueof(x+y)=10