Question

Q.23. Find the value of p + q when p- q = 7and pq = 9.
Sol.​

Answer 1

Answer:Aug 15, 2012 · Therefore when q=2, p=9 and when q=9, p=2 ... If gradient of PQ=gradient of PR, find the value of k. 4 Educator answers. eNotes.com will help you with any book or any question. Our summaries and ...

Step-by-step explanation:

Answer 2

Answer:

given,p-q=7

and PQ=9

solution,

p=7+q

and q=7-p

or

p=9/q

and

q=9/p

Now

p+q=7+q+7-p

p+q=14q-p

or

p+q=9/q+9/p

p+q=9p+9q/pq