Math, asked by sahibdeep9875, 2 months ago

Q2 (a) Find value of a and b
√7-2/√7+2
= a√7 + b​

Answers

Answered by wanikalpana58
0

Answer:

Answer

7

+2

7

−2

=a

7

+b....(1)

By rationalising L.H.S,

7

+2

7

−2

×

7

−2

7

−2

7−4

7+4−4

7

3

11−4

2

....(2)

compairing (1) and(2),

a=

3

−4

and b=

3

11

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