Hello, Olivia Paul, I just wanna ask you that from where did ya get those ISC problems..Of chapters straight line.And circles..I saw that pic of your book.It was quite bulky.Plz give me the name of the book
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Satyaki answered this
1/2(3^n +1) -2n
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Christal answered this
if alpha and beta be the roots of equation 4x^2+6x+9 form equation whose roots are alpha/beta+beta/alpha and alpha^3+beta^3
