+0

# Operations

0
53
1

Let $a\star b = \frac{\sqrt{a+b}}{a}$. If $x \star 24 = 7$, find $x$.

Aug 4, 2021

#1
0

√(x + 24) / x = 7

√(x + 24) = 7x

square both sides

x + 24 = 49x^2

49x^2 - x - 24 = 0

x = (1 + √(1^2 + 4*24*49)) / 2*49

Aug 4, 2021