0

Guest

Courses New

Show that 9 n cannot end with 2 for any natural number n.

Show that 9n cannot end with 2 for any natural number n.

Grade:9

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
8 years ago
9n=32n= (2+1)2n
Using binomial expansion (a+b)n = nC0 an + nC1an-1b1. . . . . + nCn bn
Above will be ending in odd number or you can show by taking some values of n and see the pattern.

Think You Can Provide A Better Answer ?

Other Related Questions on 10 grade maths

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More