\sqrt{18+x\sqrt2} = \sqrt{12}+\sqrt6 ⇒ x =

TS ICET 23 May 2019 Shift 2 Paper

Question : 81 of 200

Marks: +1, -0

√{18+x√2}

√{12}+√6

⇒ x =

Solution:

√{18+x √{2}}=√{12}+√{6}

⇒ 18+x √{2}=12+6+2 √{72

(SBS)

x √{2}=2 √{72}

x=2 × √{36}=12

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