Brackish water is a mixture of sea water and freshwater with a salinity of < 30 ppt.
If x, y and z are real numbers such that (x-5)2+(y-7)2+(z-9)2= 0 then (x+y+z) is equal to
if √1+x/121 = 13/11 then find the value of x.
If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
The value of:
...
If a + b + c = 5, a³ + b³ + c³ = 95 and abc =15, then find the value of a² + b² + c² – ab –bc – ca
If a+1/a =9, then a5+1/a5 is equal to:
What is the simplified form of the expression?
(1 + x) (1 + x²) (1 + x⁴) (1 + x⁸) (1 – x)?
A.(1-x40)
B.(1-x1...
If x2 – xy + y2 = 16 and x4 + x2y2 + y4 = 320 then find x2 + xy + y2...
