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a2 – ab + b2 = 7 #### SIMILAR QUESTIONS

Q1

Find the area of the pentagon whose vertices are A(1, 1), B(7, 21), C(7, –3), D(12, 2) and (0, –3).

Q2

Find the locus of a point which moves such that its distance from the point (0, 0) is twice its distance from the – axis.

Q3

Find the equation of the curve 2x2 + y2 – 3+ 5– 8 = 0 when the origin is transferred to the point (–1, 2) without changing the direction of axes.

Q4

Given the equation through what angle should the axes be rotated so that the term in xy be waiting from the transformed equation.

Q5

Find the locus of the point of intersection of the lines and where α is variable.

Q6

Find the locus of a point whose co – ordinate are given by t2= 2+ 1, where is variable.

Q7

The points (a, b + c), (b, c + a) and (c, a + b) are

Q8

O(0, 0), P(–2, –2) and Q(1, –2) are the vertices of a triangle, R is a point on PQ such that PR : RQ Q9

If three vertices of a rectangular are (0, 0), (a, 0) and (0, b), length of each diagonal is 5 and the perimeter 14, then the area of the rectangle is

Q10

If two vertices of a triangle are (3, –5) and (–7, 8) and centroid lies at the pint (–1, 1), third vertex of the triangle is at the point (a, b) then