nabihakhan70 nabihakhan70

21-12-2020
Mathematics

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Given that a2 + b2 = 33 and ab=7, find the value of (a-b)2

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ChoiSungHyun ChoiSungHyun

21-12-2020

Step-by-step explanation:

(a - b)²

= a² - 2ab + b²

= (a² + b²) - 2(ab)

= (33) - 2(7)

= 19.

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