Question

if p+q =10,pq=3 then find the value of p²+q²​

Answer 1

Step-by-step explanation:

Given-- p+q=10

--pq=3

The formula is

(p+q) ^2 = p^2 +q^2 + 2pq

Substituting the values

(10)^2 = p^2+q^2 +2*3

100=p^2+q^2+6

p^2+q^2= 100-6

p^2+q^2=94

Here is your answer.

Hope it helps!!

Answer 2

(p+q) = 10. pq = 3.

(p+q)² = 10²

or, p² + 2pq + q² = 100

or, p² + q² + 2.3 = 100

or, p² + q² = 100-6

so, (p²+q²) = 94.

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