Ask a Doubt
Request a call back

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

ICSE Class 8 Answered

QUESTION NO.19
Asked by mkp400 | 17 Dec, 2017, 12:42: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 4 straight z plus 17 over denominator 18 end fraction minus fraction numerator 13 straight z minus 2 over denominator 17 straight z minus 32 end fraction plus straight z over 3 equals fraction numerator straight z plus 60 over denominator 36 end fraction fraction numerator begin display style 4 straight z plus 17 end style over denominator begin display style 18 end style end fraction minus fraction numerator begin display style straight z plus 60 end style over denominator begin display style 36 end style end fraction plus fraction numerator begin display style straight z end style over denominator begin display style 3 end style end fraction equals fraction numerator begin display style 13 straight z minus 2 end style over denominator begin display style 17 straight z minus 32 end style end fraction fraction numerator begin display style 4 straight z plus 17 end style over denominator begin display style 18 end style end fraction minus fraction numerator begin display style straight z plus 60 end style over denominator begin display style 36 end style end fraction plus fraction numerator begin display style straight z end style over denominator begin display style 3 end style end fraction equals fraction numerator begin display style 13 straight z minus 2 end style over denominator begin display style 17 straight z minus 32 end style end fraction lcm left parenthesis 18 comma 36 comma 3 right parenthesis equals 36 multiply space by space 36 space on space both space sides 8 straight z plus 34 minus straight z minus 60 plus 12 straight z equals fraction numerator begin display style 13 straight z minus 2 end style over denominator begin display style 17 straight z minus 32 end style end fraction cross times 36 19 straight z minus 26 equals fraction numerator begin display style 13 straight z minus 2 end style over denominator begin display style 17 straight z minus 32 end style end fraction cross times 36 open parentheses 19 straight z minus 26 close parentheses open parentheses 17 straight z minus 32 close parentheses equals 468 z minus 72 323 z squared minus 1050 z plus 832 equals 468 z minus 72 323 z squared minus 1518 z plus 904 equals 0 use straight z equals fraction numerator negative straight b plus-or-minus square root of straight b squared minus 4 ac end root over denominator 2 straight a end fraction you space will space get space straight z equals 4 space and space straight z equals 226 over 323 end style
Answered by Arun | 17 Dec, 2017, 07:44: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 8 - Maths
x-2-(x-2)²+9x-2a
Asked by hemalathakuyya | 07 Feb, 2024, 10:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
Factorise: (y2 + 5y)(y2 + 5y – 2) - 24
Asked by wriddhiman2020 | 14 Feb, 2022, 01:21: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
9bx²+15b²x
Asked by shriya454agarwal | 28 Sep, 2021, 07:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
a^2bc+ab^2c+abc^2
Asked by girijavishnuprasad | 15 Jan, 2021, 07:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
SIMPLIFY; 1) a² + b - ab - a 2) 6x² - x - 15
Asked by justjasonpong | 06 Dec, 2018, 06:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
Factorise: 3x+12y
Asked by Sathyapriya9040 | 19 Nov, 2018, 08:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
Factorisation x2-xy+x-y
Asked by rajesh03682 | 08 Oct, 2018, 07:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 8 - Maths
1-3x-3y-4 (x+y)^2
Asked by 983949361761156 | 13 Mar, 2018, 06:10: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×