engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Algebra Identities
If a + b = \(\sqrt7\) and a - b = \(\sqrt5\), then find value of 8ab (a2 + b2) - (a - b)2.
1
19
2
23
3
27
4
21
If a + b = \(\sqrt7\) and a - b = \(\sqrt5\), then find value of 8ab (a2 + b2) - (a - b)2.