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8 votes
8 votes
Do you guys know how to find a square root or cube root without a calculator? I need a explanation and a example.

User Bodhi
by
3.1k points

2 Answers

18 votes
18 votes
there’s no way besides finding the prime factors

so take 9 for an example.
start dividing by prime numbers:
9 / 2 (can’t be done)
9/3 = 3
3/3 = 1

3 is in the answer once therefore the answer is 3
User Marlon Bernardes
by
3.0k points
10 votes
10 votes

Answer:

square of the following

2×2=4

3×3=9

4×4=16

2×2×2=8

now

square root

√4

√2×2

=2 answer likewise other

again

cube root

√8

=√2×2×2

=2 through that you can find these

at first you should know square and cube of different numbers from 1 to 20 is the required you should know then you can easily find out answer

User Gatopeich
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2.8k points