Recent questions without a selected answer

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1081
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1083
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1085
In a quadratic function, the value of the product of the roots $(\alpha, \beta)$ is $4$. Find the value of $\dfrac{\alpha^{n}+\beta^{n}}{\alpha^{-n}+\beta^{-n}}$$n^{4}$$4...
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1089
In a $2 \times 4$ rectangle grid shown below, each cell is a rectangle. How many rectangles can be observed in the grid?$21$$27$$30$ $36$
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1090
Choose the correct expression for $f(x)$ given in the graph.$f(x) = 1 - \mid x - 1 \mid $$f(x) = 1 + \mid x - 1 \mid $$f(x) = 2 - \mid x - 1 \mid $$f(x) = 2 + \mid x - 1 ...
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1091
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1096
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1098
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1102
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1104
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1105
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1118
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1119
If an ideal transformer has an inductive load element at port $2$ as shown in the figure below, the equivalent inductance at port $1$ is$nL \\$$n^{2}L \\$$\dfrac{n}{L} \\...