engineering recuitment NFC Chemical Plant Operator Mock Test Quantitative Aptitude Algebra Identities
दिया है x + y = 4, y + z = 5, z + x = 6, xy = 2, yz = 3 तथा zx = 4 है, तो x3 + y3 + z3 - 3xyz का मान ज्ञात कीजिये।
1
154.5
2
161.25
3
170.45
4
219.375