Question

how is 2 by √2 equal to √2​

Answer 1

2/root2

multiply root2 on both numerator and denominator

2root2/root2×root2

root2×root2 is equal to 2

so 2root2 /2

2 gets cancelled on both numerator and denominator.

Therefore we get root 2.

Answer 2

Answer:

2/✓2 =✓2

2 /✓2× ✓2/✓2=✓2

2✓2/ 2 = ✓2

then 2 cut by 2

since ✓2=✓2