Question

ajutati-ma va rog, dau brainliest answer

Answer 1

$4^{4n}+ 2^{2n+1}+1= (2^{2n)^2}+ 2*2^{2n} +1 =( 2^{2n}+1)^2 \\ 9a^2-b^2=36 \\ (3a-b)(3a+b)=36;(3a-b)*9=36;(3a-b)=4$

Answer 2

Vezi raspunsul din poza ..................