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CBSE Class 11-science Answered

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Asked by araima2001 | 15 Feb, 2017, 11:49: AM
answered-by-expert Expert Answer
begin mathsize 16px style Adding space the space two space equations space space straight x plus straight y equals vertical line straight a vertical line space and space ax minus straight y equals 1 space we space get comma straight x plus ax equals vertical line straight a vertical line plus 1 rightwards double arrow straight x left parenthesis 1 plus straight a right parenthesis equals vertical line straight a vertical line plus 1 rightwards double arrow straight x equals fraction numerator vertical line straight a vertical line plus 1 over denominator straight a plus 1 end fraction Substituting space the space value space of space straight x space in space straight x plus straight y equals vertical line straight a vertical line comma space we space get open parentheses fraction numerator vertical line straight a vertical line plus 1 over denominator straight a plus 1 end fraction close parentheses plus straight y equals vertical line straight a vertical line rightwards double arrow straight y equals vertical line straight a vertical line minus open parentheses fraction numerator vertical line straight a vertical line plus 1 over denominator straight a plus 1 end fraction close parentheses rightwards double arrow straight y equals fraction numerator straight a vertical line straight a vertical line plus vertical line straight a vertical line minus vertical line straight a vertical line minus 1 over denominator straight a plus 1 end fraction rightwards double arrow straight y equals fraction numerator straight a vertical line straight a vertical line minus 1 over denominator straight a plus 1 end fraction Given space that space the space rays space are space in space the space first space quadrant space intersect space eachother space in space the space interval space straight a element of left parenthesis straight a subscript 0 comma infinity right parenthesis straight x equals fraction numerator vertical line straight a vertical line plus 1 over denominator straight a plus 1 end fraction greater than 0 space and space straight y equals fraction numerator straight a vertical line straight a vertical line minus 1 over denominator straight a plus 1 end fraction greater than 0 space when space space straight a greater than 1 Since space straight a element of left parenthesis straight a subscript 0 comma infinity right parenthesis comma space so space straight a subscript 0 equals 1 space end style
Answered by Rebecca Fernandes | 15 Feb, 2017, 03:28: PM

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CBSE 11-science - Maths
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CBSE 11-science - Maths
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CBSE 11-science - Maths
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Asked by praveenaditya843 | 21 Dec, 2023, 07:39: PM
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CBSE 11-science - Maths
find the coordinates of the centre of a circle passing through the points(0,0),(-2,1)and(-3,2).also , find its radius .
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Asked by shakyajayprakash2006 | 08 Jun, 2022, 05:26: PM
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CBSE 11-science - Maths
Examine whether the point (4, 5) lies outside or inside the circle of equation x^2+y^2-2x-3=0
Asked by sbipo2000 | 23 Feb, 2020, 03:43: PM
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CBSE 11-science - Maths
SIR PLEASE HELP ME WITH THIS QUESTIONS : 1. Find the equation of the tangent to the circle x^2+y^2=16 drawn from the point (1,4). 2. How many triangles can be formed by joining any 3 of the 9 points when i) no 3 of them  are collinear? ii) 5 of them are collinear? 3. AB is a line of fixed length, 6 units, joining the points A(t,0) and B which lies on thepositive y axis. P is a point on AB distant 2 units from A. Express the coordinates of B and P in terms of t. Find the locus of P as t varies. 4. In a triangle ABC, (b^2 - c^2) / (b^2 + c^2) = sin(B - C) / sin(B + C), prove that it is either a right-angled or isoceles triangle.
Asked by kandappan | 08 Feb, 2020, 11:29: AM
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CBSE 11-science - Maths
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Asked by gauravmore604 | 04 Nov, 2019, 03:31: PM
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CBSE 11-science - Maths
The locus of point for which sum of the squares of distances from cordinate axes is 25 is
Asked by Tejravi969 | 19 Aug, 2019, 06:08: AM
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CBSE 11-science - Maths
Find the equation of the ellipse with centre at the origin , major axis on the x- axis and passing through the point (4,3) and (-1,4)..
Asked by Praktu111 | 09 Jun, 2019, 08:18: AM
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CBSE 11-science - Maths
A stadium is in circular shape. Within the stadium some areas have been allotted for a hockey court and a javelin range, as given in the figure. Assume the shape of the hockey court and the javelin range to be square and triangle, resp. The curators would like to accommodate a few more sports in the stadium. Help them by measuring the unallocated region within the stadium.(the radius of the stadium is 200 mts.)  
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