Question

5*7*5*3*2*2*k=k square. what is the value of k

Answer 1

2100k= k square
k=2100

Answer 2

5×7×5×3×2×2×k=k²
=>2100k=k²
=>k²=2100k
=>k×k=2100k
=>k=2100k/k
=>k=2100