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junior college 1 | H2 Maths
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Charles
Charles

junior college 1 chevron_right H2 Maths chevron_right Singapore

Need help with this qn.

Date Posted: 5 months ago
Views: 30
J
J
5 months ago
(r + ½)⁴ - (r - ½)⁴

= ( (r+½)² + (r-½)² ) x ( (r+½)² - (r-½)² )

= ( r² + r + ¼ + r² - r + ¼) x (r² + r + ¼ - (r² - r + ¼) )

= (2r² + ½) (2r)
= 4r³ + r (verified)

Use Method of Difference to solve the summation.

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Eric Nicholas K
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