Home
Class 14
MATHS
If (p + 2) (2q - 1) = 2pq - 10 and (p - ...

If (p + 2) (2q - 1) = 2pq - 10 and (p - 2) (2q - 1) = 2pq - 10, then what is pq equal to ?

A

`-10`

B

`-5`

C

5

D

10

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

2p+3q=18 and 4p^(2)+4pq-3q^(2)-36=0 then what is (2p+q) equal to?

If 2p + 3q = 12 and 4p^(2) + 4pq - 3q^(2) = 126 , then what is the value of p + 2q ?

Knowledge Check

  • 2p+3q=18 and 4p^2+4pq–3q2−36=0 then what is (2p+q) equal to?

    A
    6
    B
    7
    C
    10
    D
    20

  • If 4/3 of P=2/3 of Q, then what is P:Q ?

    A
    `1:2`
    B
    `2:3`
    C
    `1:3`
    D
    `3:2`

  • If (p ^(2) + q ^(2)) // (r ^(2) + s ^(2)) = (pq) //(rs), then what is the value of (p-q)/(p+q) in terms of r and s ?

    A
    `(r + s)//( r -s)`
    B
    `(r -s)//(r +s)`
    C
    `(r+s)//(rs)`
    D
    `(rs)//(r-s)`

    • Similar Questions

    Explore conceptually related problems

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

    Simplify ( p ^(2) - pq + 2q ^(2)) ( 2 pq).

    pq ^(2) + q (p -1) -1= ?

    If 3p^(2)=5p+2 and 3q^(2)=5q+2 where p!=q , then pq is equal to

    If p:q=3:2 and q:r=6:5 then p:q:r is equal to

    Home
    Profile