Home
Class 12
MATHS
If the roots of the equation 1/(x+p)+1/(...

If the roots of the equation `1/(x+p)+1/(x+q)=1/r (x ne -p, x ne -q, r ne 0)` are equal in magnitude but opposite in sign, then p+q is equal to a)r b)2r c)`r^2` d)`1/r`

A

r

B

2r

C

`r^2`

D

`1/r`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Let alpha and beta be the roots of the equation px^(2) + qx + r=0 . If p, q, r in AP and alpha+beta =4 , then alpha beta is equal to

If the coefficients of (r-5)^( th) and (2 r-1)^ (th) terms in the expansion of (1+x)^(34) are equal, find r .

If the coefficients of (r-5)th and (2r-1)th terms in the expansion of (1+x)^(34) are equal, find r.

If pqrne0 and the system of equations (p + a) x + by + cz = 0 , ax + (q + b)y + cz = 0 ,ax + by + (r + c) z =0 has a non-trivial solution, then value of (a)/(p) + (b)/(q) + (c )/(r ) is a)-1 b)0 c)1 d)2