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45-45=90 rule and 30-60-90 rule

by Alexis Stratman
(Coatesville, PA, US)










































Simplify the following two radical expressions.

√45

√5

Show the step by step process used to simplify the expressions by converting each to its simplest radical form.

Do no evaluate the final square root.

Comments for 45-45=90 rule and 30-60-90 rule

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Jan 11, 2012
Simplify Radical
by: Staff

Question:

by Alexis Stratman
(Coatesville, PA, US)


simplest radical for 45 and 5


Answer:

√45

= √(3*3*5)

= √(3²*5)

= √(3²) * √(5)

= 3 * √(5)

= 3√(5)

>>>>>>>>>>>>>>>> √45 = 3√(5)


√5

= √(5)

>>>>>>>>>>>>>>>> √5 = √5





Thanks for writing.
Staff

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