class 11

Math

Co-ordinate Geometry

Straight Lines

Let the curve C be the mirror image of the parabola $y_{2}=4x$ with respect to the line $x+y+4=0$. If A and B are the points of intersection of C with the line $y=−5$, then the distance between A and B is

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$16,40,100,250,?$

Find the value of $_{′}?_{′}$ in the series: $12,17,15,?,18,23,21,....$

Which letter will be the fifth from the right if the first and second, the third and fourth and so on are interchanged among each other in the word "COMPANIONATE"?

Write the first five terms of each of the following sequences whose $n$th terms are: $a_{n}=2n(n−2) $

Find : $13,23,43,83,163,?$

Calculate the $n_{th}$ term of the sequence $21 +44 +89 +......$.

$40280625,732375,16275,465,18.6,1.24,?$

- AN - B - N - BA - G