ICSE Class 9 Answered
If 4x^2 +y^2 = a and xyz=b , find the value of 2x+y
Asked by nishabr7 | 11 Jul, 2018, 06:01: PM
Expert Answer
4x2 +y2 = a and xy = b
(2x + y)2 = 4x2 + 4xy + y2
(2x + y)2 = 4x2 + y2 + 4xy
(2x + y)2 = a + 4b
(2x + y)2 = a + 4b
2x + y = √(a + 4b)
NOTE : Please Check your question.
Answered by Sneha shidid | 12 Jul, 2018, 09:15: AM
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