What is the n-th term of the sequence 2, 6, 12, 20...?

Similar Questions

Factorize completely \((x^2 + x)^2 - (2x + 2)^2\)...

Approximate 0.9875 to 1 decimal place. ...

For which of the following exterior angles is a regular polygon possible? i. 35° ii. 18°...

Find the area bounded by the curve y = 3x\(^2\) - 2x + 1, the ordinates x = 1 and x = 3 and the...

Rationalize 5 ÷ (2 − √3) ...

An article when sold for ₦230.00 makes a 15% profit. Find the profit or loss % if it was sold for ...

The angle of elevation and depression of the top and bottom of another building, measured from the t...

Solve the equation: \(\frac{1}{3}x\) + \(\frac{2}{5}\) = \(\frac{3}{4}x\) - \(\frac{1}{6}\)...

The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectiv...

Let = \(\begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}\) p = \(\begin{pmatrix} 2 & 3 \\ 4 & 5 \end{pma...