The number of integral terms in the expansion of ${({5^{1/2}} + {7^{1/6}})^{642}}$ is
The number of integral terms in the expansion of ${({5^{1/2}} + {7^{1/6}})^{642}}$ is
- A
$106$
- B
$108$
- C
$103$
- D
$109$
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