(15-√7)²
pls answer it fast
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Answered by
1
152.627..............
i need full answer w steps......thanks for answering so kind of u
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is answer
i need steps
Answered by
1
By using:
(a-b)² = a² + b² - 2ab
(15-√7)² = 15² + (√7)² - 2(15)(√7)
= 225 + 7 - 30√7
= 232 - 30√7
= 232 - 79.37
= 152.63
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