(a+b) 2 (sqaure)
(a-b) 2 (square)
Answers
Answered by
0
Answer:
(a+b)² = a²+2ab+b²
(a-b)² = a²-2ab+b²
Answered by
4
Answer:
(i). a²+b² = (a+b)² - 2ab
= a²+2ab+b²-2ab
= a²+b²
=> LHS = RHS
Therefore, hence proved!
(ii). a²+b² = (a-b)² + 2ab
= a²-2ab+b²+2ab
=> LHS = RHS
Therefore, hence proved!
Hence, a²+b² = (a+b)² - 2ab
'OR'
a²+b² = (a-b)² + 2ab
Thank you. ☺️
Similar questions