Question

If a+b = 7 and ab = 10, find the value of a^2 + b^2
Plz solve fast​

Answer 1

Answer:

answer is 29

Step-by-step explanation:

a^2+b^2

(a+b)²-2ab

7²-2×10

49-20

29 thats it

Answer 2

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 ➺Formula: [a² + b² = (a+b)² - 2ab]

Substituting the values we get,

a²+b² =(7)² – 2(10)

a²+b² =49 – 20

a²+b²= 29 [Ans]

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