JEE Advanced 2020 Full Test 1 Paper 2

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Question : 38 of 54

Marks: +1, -0

If f(x)=‌

sin−1(

x

‌10Cx

)+cos−1(

x

‌10Cx

)

√5[x]2+6{x}2−60[x]+77{x}+160

,
(where [.] denotes the GIF and {.} denotes the fractional part) then domain of f(x) is :

{x∣x∈I,0≤x≤10}
{0,1,2,3,4,9}
{0,1,2,3,4,9,10}
{0,1,2,3,9}

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