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MathematicsFunctionsCompositeMedium2 minPYQ_2022
MathematicsMediumnumerical

Letf:RRbe a function defined byfx=21-x2522+x25150. If the functiongx=fffx+ffx, then the greatest integer less than or equal tog1is ______.

Answer:
2.00
Solution:

Given fx=21-x2522+x25150

fx=2-x252+x25150

=4-x50150

i.e. ffx=4-4-x5015050150=x

Now gx=fffx+ffx

=fx+x

So g1=f1+1=3150+1

Hence g1=3150+1=2

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:Composite
2mℹ️ Source: PYQ_2022

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