Question

If ab = 8 and a + b = 6 , then the value of ( a2 + b2

)​

Answer 1

Answer:

here,

ab = 8

and, a + b = 6

to find : a² + b²

formula ,

a² + b² = (a + b)² - 2ab

= 6² - 2* 8

= 36 - 16

= 20 .

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Answer 2

Answer:

20

Step-by-step explanation:

(a+b)² = a²+b²+2ab

put the values

(6)² = a² + b² + 2 x 8

36 = a²+b² + 16

36-16= a²+b²

a²+b² = 20

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