" (i) "ax-ay+bx-by

A circle with center (a,b) passes through the origin.The equation of the tangent to the circle at the origin is ax-by=0 (b) ax+by=0bx-ay=0 (d) bx+ay=0

Factorize each of the following expressions: (1) qr-pr+qs-ps(2)p^(2)q-pr^(2)-pq+r^(2) (3)1+x+xy+x^(2)y(4)ax+ay-bx-by

3ax-6ay-8by+4bx

Factorise ax + bx - ay - by

Factorise : ax + ay + bx + by

Factorise: ax - bx+ ay- by

Factorize: ax+bx-ay-by