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If `int_o^pi x f (sin^2 x+sec^2 x)dx=k int_0^pi f(sin^2x +sec^2 x) dx` then the vallue of `k` is
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At a certain place, a magnet makes `30` oscillations per min. At another place, where the magnetic f
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The resolving power of telescope depends on
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A student has measured the length of a wire equal to `0.04580 m`. This value of length has the num
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When one litre one molar sulphuric acid solution is diluted with `5 L` water, the normality of the
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Larger of `99^50 + 100^50` and `101^ 50` is
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