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secondary 4 | A Maths
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Hi, how to solve this function?
Date Posted: 3 years ago
Views: 347
Property : (a - b)² = a² - 2ab + b²
(5 - 2√(t+3) )²
= 5² - 2(5)(2√(t+3) ) + (2√(t+3) )²
= 25 - 20√(t+3) + 4(t+3)
= 25 - 20√(t+3) + 4t + 12
= 37 - 20√(t+3) + 4t
(5 - 2√(t+3) )²
= 5² - 2(5)(2√(t+3) ) + (2√(t+3) )²
= 25 - 20√(t+3) + 4(t+3)
= 25 - 20√(t+3) + 4t + 12
= 37 - 20√(t+3) + 4t
See 1 Answer
done
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clear
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is (a-b)(a-b) not (a+b)(a-b)
Date Posted:
3 years ago
Ohh ok thanks
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