p+q=10 and pq=5 then find p/q+q/p
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Heya!!!
P/q + q/p = p² + q² / pq
p + q = 10
Squaring both sides
( p + q )² = 100
p² + q² = 100 - 2 ( 5 )
p² + q² = 90
So, p² + q² / pq = 90 / 5 = 18.
Have a nice time.
P/q + q/p = p² + q² / pq
p + q = 10
Squaring both sides
( p + q )² = 100
p² + q² = 100 - 2 ( 5 )
p² + q² = 90
So, p² + q² / pq = 90 / 5 = 18.
Have a nice time.
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