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Algebra

1+5/4(z^-1)+5/4(z^-2)+(1/4z^-3)

Profile image of sushil kumar
14 Years agoGrade
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1 Answer

Profile image of SHAIK AASIF AHAMED
12 Years ago
Hello student,
Please find the answer to your question below
Given expression is1+5/4(z^-1)+5/4(z^-2)+(1/4z^-3)
=1+(5/4z)+(5/4z2)+(1/4z3)
by taking LCM we get
=(4z3+5z2+5z+1)/4z3