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6.2: Похідні
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Визначити $\varphi:(-\delta, \delta) \rightarrow \mathbb{R}$ по \[\varphi(h)=\left\{\begin{array}{ll}{\frac{g(a+h)-g(a)-g^{\prime}(a) h}{h},} & {\text { if } h \neq 0,} \\ {0,} & {\text { if } h=0,}\...Визначити $\varphi:(-\delta, \delta) \rightarrow \mathbb{R}$ по $\varphi(h)=\left\{\begin{array}{ll}{\frac{g(a+h)-g(a)-g^{\prime}(a) h}{h},} & {\text { if } h \neq 0,} \\ {0,} & {\text { if } h=0,}\end{array}\right.$ і $\psi:(-\epsilon, \epsilon) \rightarrow \mathbb{R}$ по $\psi(h)=\left\{\begin{array}{ll}{\frac{f(g(a)+h)-f(g(a))-f^{\prime}(g(a)) h}{h},} & {\text { if } h \neq 0,} \\ {0,} & {\text { if } h=0.}\end{array}\right.$ Припущення, $g$ яке диференційовано на $a$ означає, що\(\v…