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If bX^(a) species emit firstly a positro...

If `bX^(a)` species emit firstly a positron then two `alpha` and `beta` last one `alpha` is also emitted and finally convert in `dY^(c )` species so correct the relation is

A

c = b – 12, d = a – 5

B

a = c – 8, d = b – 1

C

a = c – 6, d = b – 0

D

a = c – 4, a = b – 2

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The correct Answer is:
A
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