CBSE Class 9 Answered
If x+y+z=0, show that x^3+y^3+z^3=3xyz
Asked by kowshik.nkl | 16 Oct, 2018, 08:18: AM
If x+y+z=0, show that x^3+y^3+z^3=3xyz
Given that :
x + y + z = 0 ......(1)
We know that,
x3 + y3 + z3 - 3xyz =(x + y + z)(x2 + y2 + z2 - xy - yz - zx) ..(2)
Substituting the value of (1) in (2), we get
x3 + y3 + z3 - 3xyz = 0
x3 + y3 + z3 = 3xyz
Answered by Yasmeen Khan | 16 Oct, 2018, 11:56: AM
Application Videos
Concept Videos
CBSE 9 - Maths
Asked by aksharapatni | 30 Nov, 2023, 01:12: PM
CBSE 9 - Maths
Asked by seemarajpoot01101986 | 29 Nov, 2023, 04:40: PM
CBSE 9 - Maths
Asked by vihankansara6thc37 | 27 Nov, 2023, 11:05: AM
CBSE 9 - Maths
Asked by kumarik23731 | 22 Nov, 2023, 10:50: PM
CBSE 9 - Maths
Asked by sharmaakshit192009 | 19 Nov, 2023, 10:39: PM
CBSE 9 - Maths
Asked by rajetigirija | 19 Nov, 2023, 08:11: AM
CBSE 9 - Maths
Asked by surajdabas414 | 15 Nov, 2023, 05:34: PM
CBSE 9 - Maths
Asked by subbusuchi1978 | 05 Nov, 2023, 10:24: AM