Ask a Doubt
Request a call back

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

CBSE Class 9 Answered

The mean proportionalbetween root11 - root5 and 13root11 +19root5 is
Asked by vikasg13.hardware | 19 Jun, 2017, 07:49: PM
answered-by-expert Expert Answer
begin mathsize 16px style Let space the space mean space proportional space between space square root of 11 minus square root of 5 space and space 13 square root of 11 plus 19 square root of 5 space be space straight b. Then comma straight b squared equals open parentheses square root of 11 minus square root of 5 space close parentheses cross times open parentheses 13 square root of 11 plus 19 square root of 5 close parentheses rightwards double arrow straight b squared equals 13 cross times 11 plus 19 cross times square root of 11 cross times 5 end root minus 13 square root of 5 cross times 11 end root minus 19 cross times 5 rightwards double arrow straight b squared equals 143 plus 19 square root of 55 minus 13 square root of 55 minus 95 rightwards double arrow straight b squared equals 48 plus 6 square root of 55 rightwards double arrow straight b equals square root of 48 plus 6 square root of 55 end root end style
Answered by Rashmi Khot | 20 Jun, 2017, 10:06: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
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
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
Simplify 
question image
Asked by Sachinpayasi1432 | 05 May, 2023, 04:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Simplify: (9/16)^3/2×(36/49)^5/2+(343/216)^-5/3
question image
Asked by harisinhapala0 | 11 Jan, 2023, 05:21: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Unit digit of 34³⁴
Asked by asyadav1230 | 24 Dec, 2022, 06:42: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
2÷3
Asked by yc8600021 | 06 Aug, 2021, 03:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
question image
Asked by choudhuryservicestation | 18 Jun, 2021, 08:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Find x if4^2x=1/32
Asked by kaushik3199 | 28 May, 2021, 10:36: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
maths
question image
Asked by kaviyasanjay2017 | 30 Apr, 2021, 07:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If 3x = 5y = (75)z , show that z = fraction numerator x y over denominator 2 x plus y end fraction .   
Asked by Trisha Gupta | 25 Feb, 2021, 10:56: 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
×