5.
设\(\{a_{n}\}\)是首项为\(a_{1}\),公差为\(d\)的等差数列,\(\{b_{n}\}\)是首项为\(b_{1}\),公比为\(q\)的等比数列.
\((1)\)设\(a_{1}=0\),\(b_{1}=1\),\(q=2\),若\(|a_{n}-b_{n}|\leqslant b_{1}\)对\(n=1\),\(2\),\(3\),\(4\)均成立,求\(d\)的取值范围;
\((2)\)若\(a_{1}=b_{1} > 0\),\(m∈N*\),\(q∈(1, \sqrt[m]{2}]\),证明:存在\(d∈R\),使得\(|a_{n}-b_{n}|\leqslant b_{1}\)对\(n=2\),\(3\),\(…\),\(m+1\)均成立,并求\(d\)的取值范围\((\)用\(b_{1}\),\(m\),\(q\)表示\()\).