Question
Which of the following algae is also called kelp and
found in the deep sea?Solution
The correct answer is C
If, 3x + 2y = 15, and 2xy = 12, and 3x > 2y, then find the value of 27x³ – 8y³.
If (x – 1/x) = 3, find (x³ – 1/x³).
if 2x +3y =7 and 2x+2 -3y+2 =7, then find the value of x and y.
For which value of k does the quadratic equation
x² − 4(k + 1)x + (3k² + 8k + 4) = 0
have equal real roots?
If (a2 + 1/a2) = 27, then find the value of (a3 - 1/a3).
If 9 : 12 :: 12: x, and 28: 42:: 42: y, then the value of 2x + y is:Â
