verify the expansion formula (a - b)2 = a2 -2ab - b2 by subtracting the value of a = 11 and b = 3
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Answer:
64
Step-by-step explanation:
a = 11, b = 3
= a² -2ab + b²
= (11)² - 2 × 11 × 3 + (3)²
= 121 - 66 + 9
= 55 + 9
= 64
Hope it helped!
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