The 17th term of an A.P. exceeds its 10th term by 7. Find the common difference. Show that 2√3-1 is an irrational number.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.1: Properties Of Rational Numbers
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The 17th term of an A.P. exceeds its 10th term by 7. Find the common difference. Show that 2√3-1 is an irrational number.
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