Make correct statement by filling the symbol or in the blank space: x : x is an equilateral triangle in a plane x : x is a triangle in the same plane

x : x is an equilateral triangle in a plane x: x is a triangle in the same plane

Make correct statement by filling the symbol or in the blank spac…

If the sums of n terms of two arithmetic progressions are in the ratio 2n + 5 : 3n + 4, then write the ratio of their mth terms.

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Find the intersection pair of the set : A = {1, 2, 3}, B = $\phi$

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If A = {3, 6, 9, 12, 15, 18, 21}, B = {4, 8, 12,16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16}, D = {5, 10, 15, 20}, find: D - C

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Write the equation of parabola having vertex at $(0,0)$ and focus at $(0,-a)$.

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Write the value of $\lim _{\theta \rightarrow 0} \frac{1-\cos \theta}{\theta}.$

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Write the integral values of m for which the x-coordinate of the point of intersection of the lines y = mx + 1 and 3x + 4y = 9 is an integer.

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Determine the distance between the following pair of parallel lines:
4x + 3y - 11 = 0 and 8x + 6y = 15

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Let A = {1, 2, {3, 4}, 5}. Is the statement {3, 4} $\in$ A incorrect and why?

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Write the coordinates of the circumcentre of a triangle whose centroid and orthocentre are at (3, 3) and (-3, 5), respectively.

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A card is selected from a pack of 52 cards. Calculate the probability that the card is an ace.

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