Question

if p & q are the roots of equation xsquare - 3x + 2=0 find the value of 1/p-1/q​

Answer 1

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p and q is the root of the equation x^2-3x+2=0

So now we will get, p+q=3 and pq=2

Now we have to find the value of

$1/p - 1/q=(q-p) /pq$

$=√{(p+q)^2-4pq} /pq$

$=√(3^2-4*2)/2$

$=1/2$

So the required value is 1/2

Answer 2

Answer:

p and q is the root of the equation x^2-3x+2=0

So now we will get, p+q=3 and pq=2

Now we have to find the

value of

1/p−1/q=(q−p)/pq1/p - 1/q=(q-p) /pq1/p−1/q=(q−p)/pq

=1/2=1/2=1/2

So the required value is 1/2