Mathematics - Functions Question with Solution | TestHub

MathematicsFunctionsGeneral (Definition,type and special type)Easy2 minQB

MathematicsEasysingle choice

If $f (x) = cos [π^{2}] x + cos [- π^{2}] x$ , then (where $[α]$ is integral part of $α$ )

Answer:

Solution:

$f (x) = cos 9 x + cos 10 x, ∵ 9 < π^{2} < 10$

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:General (Definition,type and special type)

⏱ 2mℹ️ Source: QB

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