Question

Help me to do this sum ​

Answer 1

Answer:

Answer=2+√3

Step-by-step explanation:

(2√2-5)²+(3√2+√3)²-(√2-1)²

Here in the three brackets it has whole to the power 2

You can cancel that power(²) with the square root symbol

Now you will get

2×2-5+3×2+√3-2-1

Simplify

4-5+6+√3-3

-1+6+√3-3

5-3+√3

2+√3

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Answer 2

Answer:

THE CORRECT ANSWER IS 51.

Step-by-step explanation:

1. $(2 \sqrt{2} + - 5) ^{2} + (3 \sqrt{2} + \sqrt{3} ) ^{2} + ( - \sqrt{2} - 1) ^{2}$

2. = (8+25) + (18+3) - (2+1)

3. = 8+25+18+3-2-1

4. = 51

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