Math, asked by kiranchauhan161182, 11 months ago

Root45-3root20+4root5-root225

Answers

Answered by theeta

0

Answer:

Step-by-step explanation:

On analysis what comes to mind is that all elements can be simplified in terms of root of 5 so

√45-3√20+4√5-√225

=√9x5-3√5x4+4√5-√225

=3√5 -6√5 +4√5-15

=√5-15

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