find cubes and squares without multiplication with examples
Answers
Answered by
0
Answer:
- Easy Tricks to Find Square Roots and Cube Roots
- Easy Tricks to Find Square Roots and Cube RootsAdd the number to the ones digit: ...
- Easy Tricks to Find Square Roots and Cube RootsAdd the number to the ones digit: ... Subtract the number from 100: 100- 97 = 3.
- Easy Tricks to Find Square Roots and Cube RootsAdd 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.
- Easy Tricks to Find Square Roots and Cube RootsAdd 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.
Answered by
0
Answer:
Use logarithms and exponents.
Explanation:
Hmmm. Well I suppose you could use addition, logarithms and exponents...
x
3
=
e
3
ln
x
=
e
e
ln
3
+
ln
ln
x
Or:
x
3
=
10
3
log
x
=
10
10
log
3
+
log
log
x
Is that what you were looking for?
Some more explanation
The cube of a number
x
is formed by multiplying:
x
3
=
x
⋅
x
⋅
x
You can convert multiplication into addition using logs and exponents.
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