PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|28 Videos
CO-ORDINATE GEOMETRY
PREMIERS PUBLISHERS|Exercise Other Important Objective|25 Videos
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If the roots of the equation q^(2)x^(2)+p^(2)x+r^(2)=0 are the squares of the roots of the equation qx^(2)+px+r=0 , are the squares of the roots of the equation qx^(2)+px+r=0 , then q, p, r are in:
If the roots of the equation q^2 x^2 + p^2 x + r^2 =0 are the squares of the roots of the equation qx^2 + px + r=0 , then p,q,r are in ………………….. .
If the sum of the coefficients in the expansion of (q+r)^(20)(1+(p-2)x)^(20) is equal to square of the sum of the coefficients in the expansion of [2rqx-(r+q)*y]^(10) , where p , r , q are positive constants, then
The condition put the equation x^(2)(p^(2)+q^(2))-2x(pr+qs)+(r^(2)+s^(2))=0 has equal roots is :
In the expansion of (x+a)^n if the sum of odd terms is P and the sum of even terms is Q , then (a) P^2-Q^2=(x^2-a^2)^n (b) 4P Q=(x+a)^(2n)-(x-a)^(2n) (c) 2(P^2+Q^2)=(x+a)^(2n)+(x-a)^(2n) (d)all of these
If the equation x^2 + px + q =0 and x^2 + p' x + q' =0 have common roots, show that it must be equal to (pq' - p'q)/(q-q') or (q-q')/(p'-p) .
PREMIERS PUBLISHERS-ALGEBRA-OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS (Match the following)
