engineering recuitment Indian Coast Guard Yantrik Mock Test 2024 Quantitative Aptitude Algebra Identities
What is the value of the given expression?
(a + b + c)2 - a2 - b2 - c2
1
2abc
2
2(ab + bc + ca)
3
2(a + b + c)
4
2ab + bc - 2ca
What is the value of the given expression?
(a + b + c)2 - a2 - b2 - c2