Question

Blue babies is caused by heart disease: *
leukaemia
thalassaemia
edema
cyanotic​

Answer 1

Answer:

leukemia

Explanation:

hope it helps!!

Answer 2

Explanation:

If

$\frac{15a^{2} + 4b ^{2} }{15a^{2} - 4b ^{2} } = \frac{47}{7}$

then find the value of a/b