Question

Find the odd one out =


Calcium oxide, Ammonia, sodium hydroxide, sodium oxide.​

Answer 1

Answer:

If asin² (x) + bcos² (y) = c, bsin² (y) + acos² (y) = d and atan (x) = btan (y)

Then prove that : a²/b² = (d - a) (c - a)/(b - c) (b - d)

solve by eliminating x and y.

Explanation:

Convert the following numb

ers in decimal form,

1) 5

8

2) -14

5

3) -9

25

4) 8

3

5) 7

9

hl

16

Answer 2

Answer:

Ammonia is the odd one out as all other have oxygen atoms.