NEET ( P Y Q ) MCQ

If H.C.F. of p and q is x and q=x y , then the L.C.M. of p and q is p q (b) q y (c) x y (d) p y

If x^(p) + y^(q) = (x + y)^(p+q) , " then" (dy)/(dx) is

P ox Q means P is greater than Q. P underline(©) Q means P is either greater than or equal to Q. P = Q means P is equal to Q. P @ Q means P is smaller than Q. P underlinecancel("@") Q means P is either smaller than or equal to Q. Statements: Y ox N, T @ N, A = Y, J underline(©) A Conclusions: I. J = Y II. Y @ T

If x # y = (x + y)/(xy) , then the value of P # (q # r) for every p, q, in N :

If x^(p) y^(q) = (x + y)^((p + q)) " then " (dy)/(dx)= ?

{:(2x + 3y = 9),((p + q)x + (2p - q)y = 3(p + q+ 1)):}

If the lines p_1 x + q_1 y = 1, p_2 x + q_2 y=1 and p_3 x + q_3 y = 1 be concurrent, show that the points (p_1 , q_1), (p_2 , q_2 ) and (p_3 , q_3) are colliner.