If x2
+ 2
x
1
= 62, then the value of x4
+ 4
x
1
is :
(A) 84
– 28
– 2 (B) 84
+ 2
(C) 84
– 28
+ 2 (D) 84
+ 28
– 2
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Answer:
Sulphate is basically a chemical compound that is composed of sulphur and oxygen atoms. Sulphate forms salts with a variety of elements including potassium, sodium, calcium, magnesium and barium. In chemistry, sulphate or sulfate is taken to be an inorganic ion or polyatomic anion.
IUPAC Name: Sulfate
Chemical Formula: SO42-
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