Math Chapter Wise question with answer

Q01 The coordinates of the orthocentre of the triangle formed by the lines 2x2 – 3xy + y2 = 0 and x + y = 1 are: English · Haryana TGT 2020 Q02 The angle between the lines given by the equation λy2 +(1–λ2) xy–λx2 =0 is English · PGT 2011 Q03 For what value of a, the equation axy–8x+9y– 12 = 0 represents a pair of straight lines? English · DSSSB PGT 2021 Q04 Consider the following statements: S1: The equation ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 represents a pair of strai... English · Haryana PGT 2018 Q05 If the equation 3x2 + 7xy + 2y2 + 5x + 5y + k = 0 represents a pair of straight lines, then the value of k is English · UP TGT-2016 (08-03-2019) Q06 There are the two straight lines in the xy plane coinciding each other, represents the pair of straight lines in x... English · DSSSB 23 SEP 2018 (9 AM-11 AM)