Find the number of diagonals of an n-sided polygon.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

(n - 1)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

Suggest Corrections

Similar questions

Find the value of $^{n} C_{0}$ 4 + $4^{2}$ × $\frac{^{n} C_{1}}{2}$ + ......... $\frac{4^{n + 1}}{n + 1}$ × $^{n} C_{n}$

\frac{5^{n + 3} - 6 \times 5^{n + 1}}{9 \times 5^{n} - 5^{n} \times 2^{2}}

$\frac{5^{n + 2} - 6 \times 5^{n + 1}}{13 \times 5^{n} - 2 \times 5^{n + 1}} i s e q u a l t o$

Which of the following is divisible by 25:

\frac{5^{n + 3} - 6 \times 5^{n + 1}}{9 \times 5^{n} - 5^{n} \times 2^{2}}

Join BYJU'S Learning Program