Ask a Doubt
Request a call back

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

CBSE Class 9 Answered

13×13×13+7×7×7/13×13-13×7+7×7
question image
Asked by mayureshwani91.9dgatl | 04 Nov, 2020, 06:55: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 13 cubed plus 7 cubed over denominator 13 squared minus 13 cross times 7 plus 7 squared end fraction equals fraction numerator open parentheses 13 plus 7 close parentheses open parentheses 13 squared minus 13 cross times 7 plus 7 squared close parentheses over denominator open parentheses 13 squared minus 13 cross times 7 plus 7 squared close parentheses end fraction space space....... open parentheses straight a cubed plus straight b cubed close parentheses equals open parentheses straight a squared minus space ab space plus straight b squared close parentheses equals space 13 plus space 7 equals space 20 end style
Answered by Yasmeen Khan | 08 Nov, 2020, 02:29: PM

Concept Videos

Multiple Choice Questions Practice Test
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
Grab Our Exam Special Offer-Enrol now!
×