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Question

Consider the following statements
S1: A straight line can not have more than one set of direction cosines.

S2: The range of the function f(x)=(sin1x)is[0,π2]
S3: If log10x=2.314 then characteristics is 2
State, in order, whether S1,S2,S3 are true or false

A
FFT
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B
FFF
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C
TFT
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D
FTT
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Solution

The correct option is B FFF
S1 : A straight line can have more than one set of direction cosines
S2 : The range of f(x)=sin1x=[Π2,Π2]
S3 : log10x=2.314=20.314+1
log10x=3+0.686
so characteristic is 3
Hence, S1, S2 and S3 all are False.

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