If {\sqrt1058 \times \sqrt648 }/x = 18 then the value of x is

CTET 2 Math and Science Feb 2016 Paper

Question : 60 of 120

Marks: +1, -0

{√1058 × √648 }/x = 18

then the value of x is

Solution:

\;\;{√{1058}×√{648}}/{{x}}=18

⇒18x=√{1058×648}

⇒18x=√{23×23×2×18×18×2}

⇒18x=23×18×2

∴x=\;\;{23×18×2}/{18}=46

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