akshaysd183 akshaysd183
  • 06-12-2020
  • Mathematics
contestada

Simplify: √(√21 -2√7)^2

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mabelleanne mabelleanne
  • 06-12-2020

Step-by-step explanation:

√(√21 -2√7)^2

(√21 -2√7)

√7 ×3 -2√7

3√7- 2√7

√7

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