Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

If a +b+c =0 then 1/2(a2/bc + b2/ac+c2/ab) is
Asked by ankitkumarlovehisfamily | 27 May, 2019, 02:35: PM
answered-by-expert Expert Answer
begin mathsize 16px style We space know space that space if space straight a space plus space straight b space plus space straight c space equals space 0 space then space straight a cubed space plus space straight b cubed space plus space straight c cubed space equals 3 abc rightwards double arrow fraction numerator straight a cubed space plus space straight b cubed space plus space straight c cubed over denominator abc end fraction space equals space 3 rightwards double arrow straight a squared over bc space plus space straight b squared over ac space plus space straight c squared over ab space equals space 3 Divide space both space the space sides space by space 2 comma space we space get rightwards double arrow 1 half open parentheses straight a squared over bc space plus space straight b squared over ac space plus space straight c squared over ab close parentheses space equals space 3 over 2 end style
Answered by Yasmeen Khan | 27 May, 2019, 03:38: PM

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 9 - Maths
factorise: a^7+ab^6
Asked by shivalaxmi0205 | 23 Feb, 2023, 10:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
if x-2y=11 and xy=8. find the value of x³-8y³
Asked by shivalaxmi0205 | 21 Feb, 2023, 07:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
if x-1/x=3, then find value of x³-1/x³.
Asked by shivalaxmi0205 | 21 Feb, 2023, 07:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
(a+b+c)^3
Asked by kbalanbiju | 18 Jan, 2023, 07:16: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
(3x-5y+4)(9x^2+25y^2+15xy-20y+12x+16)
Asked by mmansingh949 | 21 Jun, 2022, 09:54: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
solve please
question image
Asked by iamsimanta123 | 09 Jun, 2022, 07:30: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
17. If a + b + c = 4 and a ^ 2 + b ^ 2 + c ^ 2 = 55/2 then find the value of a ^ 3 + b ^ 3 + c ^ 3 - 3abc
Asked by dalalvansh4 | 02 Jun, 2022, 07:03: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
factorise the following a^3+b^3+3a-3b
Asked by s1044kasturipriyambada026582 | 27 May, 2022, 12:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
I want to solve this question
question image
Asked by abilash8b | 06 Jan, 2022, 12:27: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
factorise 125x^3+27y^3
Asked by chintanasati.04ff2 | 13 Jul, 2021, 05:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Be a Top Scorer in the Exam with Test Series and Test Generator!

Enrol Now
×