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• CBSE×
• Class 11 Science×
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# Straight Lines Free Doubts and Solutions

## Find the coordinates of incentre of triangle formed by lines y-15=0,12y-5x=0,4y+3x=0.

Asked by lovemaan5500 8th October 2018, 5:19 PM

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## please kindly explain the solution of the Q.......

Asked by araima2001 31st July 2016, 7:00 PM

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## Hello sir/mam , i wanted to know whether  Parallel lines intersect at infinity?

Asked by Kalyanrao Chavan 2nd May 2014, 9:01 AM

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## Let m and n be the number C?f non-congruent integer-sided triangles with perimeters 14 and 13, respectively. Then m - n ·has the value (A) -1 (B) 0 (C) 1 (D) 2

Asked by Yash Sahu 20th April 2014, 11:00 PM

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## The line is rotated through an angle in the clockwise about the point . The equation of the line in its new position is :

Asked by Yash Mishra 16th April 2014, 1:26 PM

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## The number of real values of k for which the lines and are concurrent is :

Asked by Yash Mishra 16th April 2014, 1:25 PM

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## If the point (a, 2) lies between the lines and , then the set of values of 'a' is :

Asked by Yash Mishra 16th April 2014, 1:24 PM

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## If the lines x+(k-1)y+1=0 and 2x+k2y-1=0 are perpendicular then , find the value of ‘k’ ?

Asked by Kalyanrao Chavan 26th March 2014, 2:10 PM

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## coordinates of centroid of triangle ABC are (1,-1).vertices of triangle ABC are (-5,3),B(p,-1)and C(6,q). find p and q?

Asked by joel sunny 23rd February 2014, 6:51 PM