CBSE Class 9 Answered
x+√y=7 and √x+y=11 find the value of x and y
Asked by Mukeshthakur1403 | 08 Jul, 2019, 11:24: PM
Expert Answer
x + √y = 7 and √x + y = 11
Consider
√x + y = 11
√x = 11 - y
Squaring on both sides
x = 121 - 22y + y2
Put x = 121 - 22y + y2 in the equation x + √y = 7
Let √y = z
we get 121 + z4 - 22z2 + z = 7
We get factors z = ± 1, ± 2, ± 3, ± 6, ± 19, ± 57, ± 114
z = 3 satisfies the equation.
Now find the value of x and y we get x = 4 and y = 9
Answered by Renu Varma | 09 Jul, 2019, 09:58: AM
CBSE 9 - Maths
Asked by Mn2790976 | 19 May, 2022, 09:45: AM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by bhagwanlalvairagi | 04 Apr, 2022, 04:48: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by gandisrividya | 28 Dec, 2020, 06:14: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by mamatasaha070 | 18 Oct, 2020, 08:52: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by Namita.kmr | 20 Jul, 2020, 10:39: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by nimesh | 15 Jul, 2020, 12:18: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by ayushchahar07.chahar | 31 May, 2020, 02:48: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by ajabkumar41 | 13 May, 2020, 05:27: PM
ANSWERED BY EXPERTCBSE 9 - Maths
Asked by ashakulegikulegi693 | 25 Dec, 2019, 05:34: PM
ANSWERED BY EXPERT