Question

√a+b-2√ab is ______ where √a >√b​

Answer 1

Answer:

Step-by-step explanation:

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sqrt( a + b - 2sqrt(a × b))

= sqrt( [sqrt(a) - sqrt(b)]^2 )

= sqrt(a) - sqrt(b)

Answer 2

Answer:

√a + b - 2 √ab = ( √a - √b ) 2

【 ( a - b ) 2 = a2 + b2 - 2ab 】