Simplify.
Remove all perfect squares from inside the square
✓75yz

From this term , we cannot remove variable as they are not in square form .

Thus we look at number 75

75 = 25 × 3

25 is a perfect square , so it can come out and this we get 5 when its removed

Thus the answer is

I hope it helps you

#Indian : )

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,