# An inequality problem

Algebra Level 4

Let $$a,b,x,y$$ be real numbers such that $$a^2 +b^2 =81$$, $$x^2 + y^2 = 121$$ and $$ax+by=99$$.

Then what is the set of all possible values of $$ay-bx$$?

###### KVPY problems.
×

Problem Loading...

Note Loading...

Set Loading...