1. a+b=10 and a-b=2 find a^2 + b^2

Asked by pushti.pancholi | 24th Apr, 2022, 02:04: PM

Expert Answer:

Given: a+b = 10 and a-b = 2
2 open parentheses straight a squared plus straight b squared close parentheses equals open parentheses straight a plus straight b close parentheses squared plus open parentheses straight a minus straight b close parentheses squared
rightwards double arrow 2 open parentheses straight a squared plus straight b squared close parentheses equals open parentheses 10 close parentheses squared plus open parentheses 2 close parentheses squared equals 100 plus 4 equals 104
rightwards double arrow straight a squared plus straight b squared equals 52

Answered by Renu Varma | 25th Apr, 2022, 02:57: PM