CBSE Class 11-science Answered
If a, b,c,d are in G.P. then the value of (ab+bc+cd)2 - (a2+b2+c2)(b2+c2+d2) is
a) 0 b) 1 c) -1 d) None
Asked by ahuja8087 | 30 Oct, 2015, 11:55: PM
Expert Answer
Answered by Vimala Ramamurthy | 31 Oct, 2015, 05:12: PM
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