" (b) "y^(2)-(p+q)y+pq=(......)times(......)

sin alpha =(2pq)/(p^2+q^2) => sec alpha - tan alpha= .......... A) (p-q)/(p+q) B) (pq)/(p^(2) +q^(2)) C) (p+q)/(p-q) D) (pq)/(P+q)

((1) / (2) pq- (3) / (2) q) xx (pq-q)

If two distinct chords,drawn from the point (p, q) on the circle x^(2)+y^(2)=px+qy (where pq!=q) are bisected by the x -axis,then p^(2)=q^(2)(b)p^(2)=8q^(2)p^(2) 8q^(2)

The base B C of a A B C is bisected at the point (p ,q) & the equation to the side A B&A C are p x+q y=1 & q x+p y=1 . The equation of the median through A is: (a) (p-2q)x+(q-2p)y+1=0 (b) (p+q)(x+y)-2=0 (c) (2p q-1)(p x+q y-1)=(p^2+q^2-1)(q x+p y-1) (d)none of these

In Q.No.7,HCF(a,b) is pq(b)p^(3)q^(3)(c)p^(3)q^(2) (d) p^(2)q^(2)

If two positive integers a and b are expressible in the form a=pq^(2) and b=p^(3)q;p,q being prime numbers,then LCM(a,b) is pq( b) p^(3)q^(3) (c) p^(3)q^(2)( d )p^(2)q^(2)

Evaluate : ( a/b times p/q ) times ( x/y ) = a/b times ( p /q times x /y )