Math, asked by saqibahmad483, 10 months ago

evaluate :- (√7-2√7)square.
i need this answer now

Answers

Answered by kanisha2604

1

Answer:

7

Step-by-step explanation:

(root7-2 root7)sq.

=(root 7)sq.+(2root7)sq.-2×root 7×2root7

=7+28-28

=7

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