Question

If a-b =5 and ab=12 , find the value of a² + b²

Answer 1

★ POLYNOMIALS RESOLVED ★

☣ a-b = 5

☣ [a-b]² = 25

☣ a² + b² - 2ab = 25

☣ a² + b² = 25 + 2( 12)

☣ a² + b² = 25 + 24 = 49

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Answer 2

ANSWER
_________

a-b = 5 

[a-b]² = 5²

a² - 2ab + b² = 25

a² - 2×12 + b² = 25

a² - 24 + b² = 25

a² + b² = 25 + 24

a² + b² = 49

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