Question

If p+q=12 and pq=22 , then find p^2+q^2

Answer 1

Answer:

here is the answer...

${(p + q)}^{2} = {p}^{2} + {q}^{2} + 2pq \\ {12}^{2} = {p}^{2} + {q}^{2} \times 2 \times 22 \\ 144 - 44 = {p}^{2} + {q}^{2} \\ {p}^{2} + {q}^{2} = 100$

Answer 2

Answer:

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