3 years ago

FInd the general term of this sequence without using recurrency. d = (2,6,14,30...)

Mathematics

2 answers:

Rufina [12.5K]3 years ago

5 0

Y = (2)^(n+1) - 2

is the general term for this.

erastovalidia [21]3 years ago

3 0

Y=2^(n+1)-2

hope helped!

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If the discriminant of an equation is zero, which of the following is true of the equation?

White raven [17]

$\sf Your \: question \: is \: incomplete. \:$

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$\sf If \: the \: discriminant \: of \: an \: equation \: is \: zero, \: then \\ \sf \: the \: equation \: will \: have \:\underline{ 1 \: real \: solution \: with \: real \: and \: equal \: roots}.$

$\boxed{ \sf{Explanation}}$

$\sf If \: discriminant \: of \: quadratic \: equation \: ax^{2} + bx + c \: \\ \sf is \: b^{2} - 4ac = 0 \: then \: it \: will \: have \\ \sf↦\underline{1 \: real \: solution \: with \: real \: and \: equal \: roots.}$