CBSE Class 9 Answered
Without
actually calculating the cubes, find the value of 753 - 253
- 503.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let x = 75, y = -25, z = -50
x + y + z = 75 - 25 - 50 = 0
We know, if x + y + z = 0 then x3 + y3 + z3 = 3xyz
753 - 253 - 503 = 3(75) (-25) (-50)
= 281250
Answered by | 04 Jun, 2014, 03:23: PM
Concept Videos
-
Algebraic Identities: Cubic Type
Listing of algebraic identities for cubic Polynomials and simplify the comp... -
Algebraic identities for cubic Polynomials
Listing of algebraic identities for cubic Polynomials and simplify the comp... -
Algebraic Identities: Cubic Type
This video lists the algebraic identities for cubic Polynomials and simplif...
CBSE 9 - Maths
Asked by durgavenkatlakshmi1 | 20 Mar, 2024, 03:56: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by shivalaxmi0205 | 23 Feb, 2023, 10:28: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by shivalaxmi0205 | 21 Feb, 2023, 07:34: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by shivalaxmi0205 | 21 Feb, 2023, 07:33: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by mmansingh949 | 21 Jun, 2022, 09:54: AM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by dalalvansh4 | 02 Jun, 2022, 07:03: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by s1044kasturipriyambada026582 | 27 May, 2022, 12:02: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by abilash8b | 06 Jan, 2022, 12:27: PM
ANSWERED BY EXPERT
