Question

7+root 5 /7- root 5 = a+b root 5 find the value of a and b​

Answer 1

Step-by-step explanation:

Answer

We have,

7−

5

7+

5

−

7+

5

7−

5

=a+b

5

(7+

5

)(7−

5

)

(7+

5

)

2

−(7−

5

)

2

=a+b

5

a+b

5

=

(49−5)

(49+5+14

5

)−(49+5−14

5

)

a+b

5

=

44

28

5

a+b

5

=

11

7

5

Therefore,

a=0,b=

11

7

Answer 2

Answer:

sorry I didn't know answer