Ask a Doubt
Request a call back

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

CBSE Class 9 Answered

can you do the example sum which you have given above step by step and show me ?
Asked by meghanavincent25 | 24 Jun, 2017, 09:28: PM
answered-by-expert Expert Answer
begin mathsize 16px style square root of 2 straight x minus 7 end root minus 3 equals 4 Now space before space we space take space the space square space root space on space both space sides comma space we space need space to space isolate space the space radical space term. So comma space we space get space square root of 2 straight x minus 7 end root equals 7 Now space to space remove space the space radical space comma space we space square space both space sides comma space so space we space get open parentheses square root of 2 straight x minus 7 end root close parentheses squared equals 7 squared rightwards double arrow 2 straight x minus 7 equals 49 rightwards double arrow 2 straight x equals 56 rightwards double arrow straight x equals 28 Hope space this space clears space your space doubt. space Thank space you. Y o u space c a n space t r y space t h e space f o l l o w i n g space p r o b l e m space i f space y o u space w i s h space a n d space g e t space b a c k space w i t h space y o u r space d o u b t s. square root of 7 x squared plus 15 x end root minus 2 x equals 5 plus x end style
 
Hint: Remember to keep the radical term to one side before you square the sides.
Answered by Rebecca | 26 Jun, 2017, 07:07: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 9 - Maths
13. If x = (2 + sqrt(3)) find the value of x ^ 2 + 1/(x ^ 2)
Asked by monika.vns14 | 18 Apr, 2024, 05:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
3√5+√3/√5-√3
Asked by gulshanelectronics2017 | 15 Apr, 2024, 05:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
how to solve it
question image
Asked by singhanjali0199 | 12 Apr, 2024, 08:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
locate √2 on number line
Asked by rathoreraj7296 | 31 Mar, 2024, 08:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Rationalize the denomination of √3+√2 /√3-√2
Asked by gurucharansingh19975 | 23 Feb, 2024, 09:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
i can't understand this ques
question image
Asked by satorugoku369 | 22 Feb, 2024, 08:56: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
2+√3÷2-√3 - 2-√3÷2-√3
Asked by seebasajan1 | 11 Jan, 2024, 06:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
what is whole number
Asked by omt7989 | 02 Jan, 2024, 07:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
find five rational number between 3/7 and 2/ 5
Asked by lalitayadav7891 | 06 Dec, 2023, 07:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If a + b x √3 equals to 2 into root 3 minus 2 upon 2 root 3 + 2 find values of a and b
Asked by singha83147 | 04 Oct, 2023, 09:28: PM
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
×