L(1-Cos2x/X) solve the Laplace transform in step by step answer
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Answer:
L(cos2(x))=∫∞0e−pxcos2(x)dx=
∫∞0e−px14(e2ix+2+e−2ix)dx=
14(1p−2i+2p+1p+2i)=
14p(p2+4)(p(p+2i)+2(p2+4)+p(p−2i))=
14p(p2+4)(2p2+2p2+8)=
p2+2p(p2+4).
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