If a is a positive integer then 2^(2a) + (16^a)/(2^(2a)) =	Choose the correct choice from the following.
A) 4^a	B) 8^a	C) 10^a	D) 2/4^a	E) 2 × 4^a
2^(2a) + 16^a/ 2^(2a) = 4^a + 16^a/4^a = 4^a + (16/4)^a + 16  /4= 
<gadget id="calculator">+ 16  /4</gadget>
<output>4</output>
4^a + (16/4)= 
<gadget id="calculator">+ (16/4)</gadget>
<output>4</output>
4^a + 4^a= 2 × 4^a   Answer : 2 × 4^a
<result>E</result>
If a is a positive integer then 2^(2a) + (16^a)/(2^(2a)) =