Question

plz answer me of this question​

Answer 1

Answer:

(2√2-5)²=33-20√2 by( a-b)²=a²-2ab+b²

(3√2+√3)²=21+6√6 by (a+b)²=a²+2ab+b²

(√2-1)²=3-2√2 by (a-b)²=a²-2ab+b²

=(33-20√2)+(21+6√6)-(3-2√2)

=33-20√2+21+6√6-3+2√2

=51-18√2+6√6

Answer 2

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