Problem of the Day
If and represent positive real numbers and and , what is the value of ?
B. 3.0See the Solution
First, square the expression $(a^4+b^2)^2$:
So now we have $a^8+2b^2a^4+b^4=198$
Rearranging the terms on the left:
Make a substitution with $a^8+b^4=36$ to get:
Take the fourth root of both sides to get:
Comments are closed.