Math, asked by kumarnirmal1120, 1 month ago

(7+√5/7-√5)-(7-√5/7+√5)=a+b√5 solution NCERT

Answers

Answered by savithajayaramu72

0

Step-by-step explanation:

a+

11

7

5

b=

7−

5

7+

5

−

7+

5

7−

5

=

(7+

5

)(7−

5

)

(7+

5

)

2

−(7−

5

)

2

=

49−5

49+5+14

5

−49−5+14

5

=

44

28

5

=

11

7

5

a+

11

7

5

b=0+

11

7

5

(1)

⟹a=0,b=1

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