Question

(ii) p² + q² if p - q = 6 and p + q = 14​

Answer 1

Answer:

116

Step-by-step explanation:

Given :-

• p-q=6 (1)
• p+q=14 (2)

To find:-

p^2+q^2=?

solution:-

• adding equation 1 and 2 =>
• 2p=20
• p=10
• putting this value in eq^n 1 =>
• 10+q=14
• q=4
• thus now
• p^2+q^2= 10^2 + 4^2
• =100 +16
• =116

thus

p^2+q^2 =116

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