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Slutine: fivenf(x)=x^{2}+4 x-5 and f(x)=2 x+3fince, Choy-section are isoscey zint triangle\begin{array}{l}\rho_{0} \sum_{x} \\\text { h2. } \sqrt{x^{2}+x^{2}} \geqslant \sqrt{2} x-h \\\Rightarrow \quad[x=h / \sqrt{2}] \\\text { So, Hrea }=\frac{1}{2} x x \times x=\frac{1}{2} x^{2}-\frac{1}{2} \times \frac{h^{2}}{2} \\\Rightarrow\left[A=\frac{h^{2}}{4}\right], \quad h=2 x+3-\left(x^{2}+4 x-5\right) \\\int_{9} \text { Volume }=\int_{-1}^{2} A d x \\=\int_{-4}^{2}\left[-x^{2}-2 x+0\right] d x \\\text { on folving this } \\\Rightarrow[\text { Volune 36]. Hh } \\\end{array}CS Scirned with Caristarinel ...