Math, asked by alsrcivil, 3 days ago

. If = √28 + 5√12 and y = √37 + 10√12 ,what is the value of x-y/x+y ?

Answers

Answered by Sanchayjaiswal
0

Answer:

Correct option is C)

x=

3

28

,y=

3

27

Then

x+y−

x

2

+xy+y

2

1

=x+y−

(x−y)(x

2

+xy+y

2

)

x−y

=x+y−

x

3

−y

3

x−y

=x+y−

28+27

x−y

=x+y−(x−y)

=2y

=2×

3

27

=2×3=6

x+y−

x

2

+xy+yz

1

=6

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