Question

QUESTION:
Do as directed. -

1) Add: √125 + 2√27 and -5√5-√3

2) Add: √11- √7 and √5-√11 + √13

3) Multiply 2√2 by 5√2.

4) Divide 7√5 by -14 √125

5) (√7+ √6)² find its values​

Answer 1

1. √125 + 2√27 +( -5√5-√3 )

5√5 + 6√3 -5√5 -√3

5√3

2. √11- √7 + √5-√11 + √13

√5+√13-√7

3. 2√2 × 5√2

10 × 2

20

4. 7√5 / -14 √125

√5 / -2 × 5√5

-1 /10

5. (√7+ √6)²

(√7)² + (√6)² + 2×√7×√6

7 +6 + 2√42

13 + 2√42