Question: code class=asciimath>Find a second order difference equation whose general solution is 2^((n)/(2))(c_(1)cos((3npi )/(4))+c_(2)sin((3npi )/(4)))+3 a. x_(n+2)-2x_(n+1)+4x_(n)=9 b. x_(n+2)+2x_(n+1)+4x_(n)=21 c. x_(n+2)-2x_(n)=-3 d. x_(n+2)+2x_(n+1)+2x_(n)=15 e. x_(n+2)-2x_(n+1)+2x_(n)=3 f.
code class="asciimath">Find a second order difference equation whose general solution is 2^((n)/(2))(c_(1)cos((3n\pi )/(4))+c_(2)sin((3n\pi )/(4)))+3 a. x_(n+2)-2x_(n+1)+4x_(n)=9 b. x_(n+2)+2x_(n+1)+4x_(n)=21 c. x_(n+2)-2x_(n)=-3 d. x_(n+2)+2x_(n+1)+2x_(n)=15 e. x_(n+2)-2x_(n+1)+2x_(n)=3 f. x_(n+2)+2x_(n)=9 Clear my choice
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