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2.
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4.
Answer (Detailed Solution Below)

Option 2 : 29

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Detailed Solution

सही उत्तर 29 है।

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PrepSnapprepsnap.in • Part -A

Question:

Given $p + q = 7$ and $pq = 10$, the value of $p^2 + q^2$ is / दिया है $p + q = 7$ और $pq = 10$, तो $p^2 + q^2$ का मान है

1.
27
2.
29
3.
39
4.
49

Correct Answer: 29

$p^2 + q^2 = (p+q)^2 - 2pq = 49 - 20 = 29$. / $p^2 + q^2 = (p+q)^2 - 2pq = 49 - 20 = 29$।

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