Question

if √a=9, √b=4 and ab=4, prove (a–b)=? ​

Answer 1

hlo,,, buddy

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√a = 9

a= 81 (both side squaring)

√b = 4

b= 16 ( both side squaring)

hence,,,

a-b = 81-16

.=65

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hope,,,this will help u

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