\(f(x)=\frac{2x}{5}-1\)Work out the value of \({f}^{–1}(3)+f(–0.5)\) - চর্চা

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\(f(x)=\frac{2x}{5}-1\)Work out the value of \({f}^{–1}(3)+f(–0.5)\) - চর্চা