UPSC NDA I 2017 Mathematics Solved Paper

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Question : 63 of 120

Marks: +1, -0

Let f(x)=px+q and g(x)=mx+n.Then f(g(x))=g(f(x)) is equivalent to

[NDA I 2017]

f ( p ) = g ( m )
f ( q ) = g ( n )
f ( n ) = g ( q )
f ( m ) = g ( p )

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