9th Class NCERT Rationalise the denominator in 1/√7-2

Name: 9th Class NCERT Rationalise the denominator in 1/√7-2
Uploaded: 2020-11-11T02:27:49+00:00
Duration: 4 min 34 s
Channel: PCM Study by GS
Description: Rationalise the denominator 1/&Sqrt;7-2 (&Sqrt;7)²= 7 and (2)²=4 Using Identity (a+b) (a-b) = (a-b)² =(&Sqrt;7+2)/3

PCM Study by GS

Rationalise the denominator  1/√7-2  (√7)²=  7 and (2)²=4  Using  Identity  (a+b) (a-b) = (a-b)²  =(√7+2)/3

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