Ask a Doubt
Request a call back

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

CBSE Class 9 Answered

I f space square root of u plus square root of v minus square root of w equals 0 comma space f i n d space t h e space v a l u e space o f left parenthesis u plus v minus w right parenthesis.
Asked by kishor.kp14 | 19 Jun, 2019, 09:41: AM
answered-by-expert Expert Answer
begin mathsize 16px style We space have comma square root of straight u space plus space square root of straight v space minus space square root of straight w space equals space 0 rightwards double arrow square root of straight u space equals space square root of straight w space minus space square root of straight v space Squaring space on space both space the space sides comma space we space get rightwards double arrow straight u space equals space straight w space plus space straight v space minus space 2 square root of wv space space space space... space left parenthesis straight i right parenthesis space space space space space space space... space since space open parentheses straight a space minus space straight b close parentheses squared space equals space straight a squared space space plus space straight b squared space minus space 2 ab Similarly comma rightwards double arrow straight v space equals space straight w space plus space straight u space minus space 2 square root of wu space space space space... space left parenthesis ii right parenthesis space and space square root of straight w space equals space square root of straight u space plus space square root of straight v Squaring space on space both space the space sides comma space we space get rightwards double arrow straight w space equals space straight u space plus space straight v space plus space 2 square root of uv space space space space space... space left parenthesis iii right parenthesis space space space...... space since space open parentheses straight a space plus space straight b close parentheses squared space equals space straight a squared space space plus space straight b squared space plus space 2 ab To space find colon space straight u space plus space straight v space minus space straight w From space left parenthesis straight i right parenthesis comma space left parenthesis ii right parenthesis space and space left parenthesis iii right parenthesis comma space we space get space space straight u space plus space straight v space minus space straight w space equals space straight w space plus space straight v space minus space 2 square root of wv space plus space straight w space plus space straight u space minus space 2 square root of wu space minus space straight u space minus space straight v space minus space 2 square root of uv space space space space space space space space space space space space space space space space space space space space equals space 2 straight w space space minus space 2 open parentheses square root of wv plus space square root of wu space plus space square root of uv close parentheses end style
Answered by Yasmeen Khan | 19 Jun, 2019, 10:39: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 9 - Maths
..
question image
Asked by as90273 | 12 Feb, 2024, 08:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
what is polynomial
Asked by farhannzb16 | 05 Feb, 2024, 08:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Expand    (x-3/x)³
Asked by sagrawal0081 | 12 Aug, 2023, 05:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
what are the main 10 identities
Asked by sumithra.suresh1 | 18 Jun, 2022, 05:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If x+ y = 12 and xy =32 Find x² + y²
Asked by tabhinav666 | 15 May, 2022, 05:54: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
(a/6+b/5-2)^2
Asked by shreya.khairnar2007 | 02 Apr, 2022, 06:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
pleas answer this
question image
Asked by mohammad.muntazir.the.legend | 07 Mar, 2022, 04:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
(a+b)2
Asked by anju9534329572 | 12 Aug, 2021, 07:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
 If 3x + 2y = 12 and Xy = 6 ,find the value of 9x ^ 2 + 4y ^ 2 .
Asked by saakshigoel207 | 04 Jun, 2021, 08:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
write all identites
Asked by mohit9949941900 | 28 Feb, 2021, 05:08: 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
×