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| 1. |
2√45+3√20-10√125/2√5 |
| Answer» This can also be written as :- 2√9*5 + 3√4*5 - 10√25*5 / 2√5 = 2*3√5 + 3*2√5 - 10*5√5 / 2√5 = 6√5 + 6√5 - 50√5 / 2√5 = (6 + 6 -50)√5 / 2√5 = -38√5 / 2√5 = -19//. | |