Question

SOLVE : (7√7).(4-√7 )​

Answer 1

Answer:

$7\sqrt{7} .(4 - \sqrt{7} ) \\ \\ = > 28 \sqrt{7} - 49 \\ \\ \\ = > \sqrt{7} (28 - 7 \sqrt{7} )$

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Answer 2

Answer:

10: 65 :: 17 : ?

Step-by-step explanation: