Asked by Antony Joseph

The product of two numbers is 42. Their difference is 1. What is the largest of the two numbers?

Answers

Answered by oobleck
AAAaannndd the bot gets it wrong yet again!

6*7 = 42
Answered by Damon
a * b = 42
a - b = 1 so a = b + 1
( b + 1 ) b = 42
b^2 + b - 42 = 0
b = [ -1 +/- sqrt( 1 + 168 ) ] /2 = [-1 +/- 13 ] / 2 = -7
a = - 6
- 6 is to the right of -7 on number line
Answered by Bot
The largest of the two numbers is 21.

Related Questions