Question

please answer me fast it's very urgent
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Answer 1

Answer:

1) -5(4√3+√2)

2) (96√6+230)/47

3) 0.3162

4) √x+√y

Step-by-step explanation:

A) 4√12 - √50 -7√48

=8√3 - 5√2 - 28√3

-20√3 - 5√2

-5(4√3+√2) ans

B) 2√6+5+1/2√6+5

2√6+5+2√6-5/47

96√6+230/47 ans

C) 1/√10

1/3.162

0.3162 ans

D) x-y/√x-√y

((x-y)×(√x+√y))/(√x)²-(√y)²

(x-y)×(√x+√y)/x-y

√x+√y ans