Question

$\sqrt{21 - 4 \sqrt{5 } + 8 \sqrt{3} - 4 \sqrt{15} } =$
plz help me to solve this problem friends....
step by step explanation plz.. ​

Answer 1

\sqrt{21 - 4 \sqrt{5 } + 8 \sqrt{3} - 4 \sqrt{15} } \\ \sqrt{21 - 4 \times 2.2 + 8 \times 1.7 - 4 \times 3.9} \\ \sqrt{21 - 8.8 + 13.6 - 15.6} \\ \sqrt{10.2}.[/tex]

hopefully its helped u dear :)

Answer 2

Answer:

573+675253=514536

5435-5257=6253

Step-by-step explanation:

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