Subject :Maths Class : Class 9
Case Study : On 25th anniversary, Reena wants to hang two picture frames on the wall. So she decided that
the bigger frame must have the area of 1575 sq. units
and the smaller square frame must have the area of
625 sq. units.
Based on the above information, answer the following questions.
Which of the following is correct, if x and y are positive real numbers?
A √(x/y) = √(y/x)
B (√x + √y)2 = x + 2√(xy) + y
C √x + √y = √(x + y)
D (√x - √y)(√x + √y) = x + y
B