Question

Find the maximum value of x^2 + y^2 which satisfy the equation x^2 + y^2 - 10x - 4y - 20 = 0

Answer 1

have you tried lagrange multiplers

Answer 2

https://www.desmos.com/calculator/3j16xhdqpa

Answer 3

never study with lagrange yet :(
can we solve with other method ?

Answer 4

@ganeshie8. i cant understand what the pic means ?

Answer 5

here the choices answer :
a. 78 + 14 sqrt(29)
b. 76 + 14 sqrt(29)
c. 76 + 14 sqrt(26)
d. 74 + 14 sqrt(29)
e. 72 + 14 sqrt(26)
which one the correct option and also the steps to get it

Answer 6

maybe we should factor the second equation into an equation of circle with shifted origin, solve for y, and substitute in the func. which needs maximizing