Subject
MBA Exam
Topic
Evening MBA-DU(24th Batch)
If x≠0 , x=√(4xy-4y2), then in terms of y, x = ?
If x≠0 , x=√(4xy-4y2), then in terms of y, x = ?
ক)
2yখ)
yগ)
y/2ঘ)
-2yExplanation
x=√(4xy-4y2) x2 = 4xy - 4y2 x2 - 4xy + 4y2 =0 (x-2y)2 =0 x-2y=0 x=2yRelated questions
8 years ago, the fathers age was eight times the age of his son. after 10 years, the fathers age will be twice the age of the son. What are their present ages?4 tractors working together can plough a field in 12 hours how long will it take 6 tractors to plough a field of the same size, if all tractors work at the same rate?If 75% students in a class answered the first questions on a certain test correctly. 55% answered the second question on the test correctly and 20% answered neither of the questions correctly. What percentage of students answered both the questions correctly?By selling a pen for Tk. 39, the gain is as much percent as its cost. What is the cost?If the simple average of four numbers k, 2k+3, 3k-5, and 5k +1 is 63, what is the value of k?If in 2007 and in 2009 a worker received 10% more in salary each year then he received in previous year what is the rate of increase in his salary in 2009 compared to 2007?The length of rectangle is three times the width. If the perimeter is 36 cm, find the widthIn 10 hours the minute hand of a clock rotates through an angle of?