akshaysd183
akshaysd183
06-12-2020
Mathematics
contestada
Simplify: √(√21 -2√7)^2
Respuesta :
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
Answer Link
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