If phi (x) = {a^x} , then {{ phi (p)} ^3} is equal to

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1.Relation and Function

easy

If $\phi (x) = {a^x}$, then ${\{ \phi (p)\} ^3} $ is equal to

A

$\phi (3p)$

B

$3\phi (p)$

C

$6\phi (p)$

D

$2\phi (p)$

Solution

(a) $\phi \,(x) = {a^x}\, \Rightarrow \,\,\phi \,\,(p) = {a^p}$

$\therefore \,\,\,{[\phi \,(p)]^3} = {[{a^p}]^3} = {a^{3p}} = \phi \,(3p)$

Standard 12

Mathematics

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