Question

If 3 ✓225=✓x+ 5 , then x = …………………………………………..
a) 40 b) 400 c) 1600 d) 256​

Answer 1

Step-by-step explanation:

3√225 = √x + 5

3 × 15 = √x + 5

45 = √x + 5

√x = 45 - 5

√x = 40

x = 40^2

x = 1600.

Hence, option (c) 1600 is correct.