Question

any trick to solve cube root and also square root​

Answer 1

Add the number to the ones digit: ...
Subtract the number from 100: 100- 97 = 3.
Subtract the number (from Step 1) from original number : 97-3 =94.
Square the result from Step 1 (if the result is a single digit put a 0 in front of it): 32 = 09.
Place the result from Step 3 next to the result from Step 2: 9409.