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The value of (.^7C0 +.^7C1)+(.^7C1+.^7C2...

The value of `(.^7C_0 +.^7C_1)+(.^7C_1+.^7C_2)+(.^7C_6+.^7C_7)` is (A) `2^7-1` (B) `2^8-2` (C) `2^8-1` (D) `2^8`

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To solve the problem, we need to evaluate the expression: \[ (7C_0 + 7C_1) + (7C_1 + 7C_2) + (7C_6 + 7C_7) \] ### Step-by-Step Solution: ...
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