# Yes, it's complicated!

Calculus Level pending

If$$f'(x)=g(x)$$ and $$g'(x)=-f(x)$$ for all $$x$$ and $$f(2)=4=f'(2).$$ Then the value of $$f^2(4) + g^2(4)$$

×

Problem Loading...

Note Loading...

Set Loading...