If \sqrt{1+x/9}=13/3, then the value of x is

RRB Junior Engineer Stage 1 Model Papers 4

Question : 6 of 99

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√{1+x/9}=13/3

, then the value of x is

Solution:

√{1+x/9}=13/3

Squaring on both sides,

1+x/9=169/9

⇒x/9=169/9-1=160/9

⇒x=160

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